Email: jemikalajahjd@delsu.edu.ng
- Area of Specialization: MEDICAL MICROBIOLOGY
- Department of Medical Laboratory Science
- Prof. Jemikalajah, Daniel Johnson was born 15th July, 19164 in Okirigwhre- Sapele Delta State Nigeria. I hold an AIMLS of Medial Laboratory Science Council of Nigeria 1989, MSc, Medical Laboratory Science(MMLS, Medical Microbiology)2004 and PhD,Medical Microbiology 2010 from Ambrose Alli University, Ekpoma Edo State Nigeria.
In 1992, I was employed as Medical Laboratory Technologist in to the service of Hospital Management Board, Delta State where I rose to the position of Chief Medical Laboratory Scientist in 2010. In 2014, I was appointed as Lecturer 1 to the department of Medical Microbiology Delta State University, Abraka. Presently, I am a Senior Lecturer in the department of Microbiology Delta State University, Abraka.
Prof. Jemikalajah, D. J. is happily married with children.
I enjoy research especially when it involves microbes as friends and enemies of mankind. I also enjoy watching football and overtime developed interest in inspirational movies which i share with my students as part of mentor-ship. He is presently a Professor of Medical Microbiology in the Department of Medical Laboratory science.
My Publications- Enwa Felix Oghenemaro,Anie Clement Oliseloke, Jemikalajah Johnson D., Ikuni Precious Ifechukwukuni (2019) Aqueous flower extract of Tridax procumbens on the Haematplogy/Serum lipid profile of Wister Rats, Journal of Biodiversity and Environmental Science/INNSPUB
http://www.innspub.net/wp-content/uploads/2020/02/JBES-Vol-15-No-5-p-106-112.pdf Vol.15(5) Pages: 106-112
- Oghenemaro, Enwa Felix; Johnson, Jemikalajah; Itohan, Iyamu Mercy; Richard, Sada-Okpaka; Michael, Oghenejobo (2018/11/1) ANTIMICROBIAL ACTIVITY OF ALOE VERA GEL AND HONEY AGAINST BACTERIA ISOLATES FROM WOUND ASPIRATES, International Journal of Pharmaceutical Sciences and Research/Society of Pharmaceutical Science, Panchkula, India
https://ijpsr.com/bft-article/antimicrobial-activity-of-aloe-vera-gel-and-honey-against-bacteria-isolates-from-wound-aspirates/?view=fulltext Vol.9(11) Pages: 4890-4893
- Anie Clement Oliseloke, Enwa Felix Oghenemaro, Jemikalajah daniel Johnson, Okubuzor Benjamin (2018) Antimicrobial susceptibility testing of ciprofloxacin, amoxicillin and erthromycin against Staphylococcus aureus and Escherichia coli isolated from healthy students of Delta , International Journal of Biosciences/INNSPUB
http://www.innspub.net/wp-content/uploads/2018/10/IJB-Vol-13-No-4-p-158-165.pdf Vol.13(4) Pages: 158-165
- Oghenemaro, Enwa Felix; Johnson, Jemikalajah; Itohan, Iyamu Mercy; Glory, Orode Obakpororo (2018) Evaluating the effects of fermented cabbage juice on the gastrointestinal microbiome of wistar rats, International Journal of Biosciences/International Network for Natural Sciences,Bangladesh
http://www.innspub.net/wp-content/uploads/2018/06/IJB-Vol-12-No-6-p-202-210.pdf Vol.12(6) Pages: 202-210
- Jemikalajah, Johnson D; Okogun, Godwin A (2009/2/1) Hematological indices in human immunodeficiency virus and pulmonary tuberculosis infections in parts of Delta State, Nigeria, Saudi Med J
https://pdfs.semanticscholar.org/06e7/4f98f00a9c603f5ae16acc898a27c217b8f5.pdf Vol.30(2) Pages: 253-6
- Jemikalajah, Johnson D; Okogun, GA (2009/3/1) Health point prevalence of human immunodeficiency virus and pulmonary tuberculosis among patients in various parts of Delta State, Nigeria, Saudi Med J
https://pdfs.semanticscholar.org/b732/c4fdcd7afba353e0c34622cb8badd2a22070.pdf Vol.30(3) Pages: 387-391
- Oboro,V.O., Tabowei,T.O., Jemikalajah,J., Bosah, J.O. and Agu, D. (2003/1/1) Pregnancy outcomes among nulliparous teenagers in suburban Nigeria, Journal of Obstetrics and Gynaecology/Taylor & Francis
https://www.tandfonline.com/doi/abs/10.1080/0144361031000074718 Vol.23(2) Pages: 166-169
- Oboro, VO; Tabowei, TO; Jemikalajah, J (2002/1/1) Prevalence and risk factors for anaemia in pregnancy in South Southern Nigeria, Journal of Obstetrics and Gynaecology/Taylor & Francis
https://www.tandfonline.com/doi/abs/10.1080/0144361021000020367 Vol.22(6) Pages: 610-613
- Anie, Clement O; Jemikalajah, Johnson D; Meshack, Merit O; Oghenejobo, Michael (2020) Evaluation of Antibacterial Activity of Tetmosol against some Clinical Isolates, Nigerian Journal of Pharmaceutical and Applied Science Research
https://drive.google.com/open?id=14iG2pcZ7dIqHwVqGN9IJGKSreU8PL9nI Vol.9(1) Pages: 63-68
- Johnson, Jemikalajah D (2019) Multiple Antibiotics Resistance Index of Bacteria Isolated from Coolers used for the Sales of Soft Drinks, Dutse Journal of Pure and Applied sciences/Faculty of Science, Federal University Dutse
https://fud.edu.ng/journals/dujopas/2019_DEC_Vol_5_No_2a/Page%20231-236%2004.pdf Vol.5(2a) Pages: 231-236
- Jemikalajah, D.J. (2019) Antibacterial activity of Onions( Allium cepa) against Staphylococcus aureus and Escherichia coli, Sokoto journal of Medical Laboratory Science/Faculty of Medical Laboratory Science, Usman Danfodiyo University, Sokoto
https://drive.google.com/file/d/1agATReHQQCuEOhmr3KigmqjVQz7VQ-Hu/view?ts=5ec10a4c Vol.4(3) Pages: 12-16
- Anie, CO; Jemikalajah, JD; Ezeife, O; Daike, TE (2019) ANTIBIOTICS RESISTANT PATTERN OF Staphylococcus aureus ISOLATES AMONG UNDERGRADUATES STUDENTS OF DELSU ASABA CAMPUS, FUW Trends in Science & Technology Journal
http://www.ftstjournal.com/uploads/docs/42%20Article%2031.pdf Vol.4(2) Pages: 433-435
- Johnson, D. Jemikalajah, Felix O. Enwa, Clement O. Anie, (2019) Antimicrobial Potential of Ginger (Zingiber officinale) Extract against Bacterial Isolates of Pulmonary infections, Nigerian Journal of Pharmaceutical and Applied Science Research/Faculty of Pharmacy, University of Uyo
http://nijophasr.com/articles/volume8/issue2/article182.pdf Vol.8(2) Pages: 62-66
- Johnson, Jemikalajah D (2019) Prevalence of Human Immunodeficiency Virus and Malarial Coinfection in parts of Delta State, Nigeria, Dutse Journal of Pure and Applied sciences/Faculty of Science, Federal University Dutse
https://fud.edu.ng/journals/dujopas/2019_JUNE_Vol_5_No_1a/235-242%2061%20edited2.pdf Vol.5(1a) Pages: 235-238
- Anie, CO; Jemikalajah, DJ; Eke, CN (2019) DETERMINATION OF MICROBIAL LOAD OF SELECTED SMOKED FISH SOLD IN ABRAKA MARKETS DELTA STATE, Nigeria Journal of Pure and Applied Science
http://njpas.com.ng/wp-content/uploads/2019/04/02.pdf Vol.32(1) Pages: 3381-3288
- Jemikalajah, Daniel Johnson (2019) Prevalence of intestinal helminth infection amongst urban and rural primary school pupils in Kwale, Delta State, Sokoto Journal of Medical Laboratory Science/Faculty of Medical Laboratory Science, Usmanu Danfodiyo University of Sokoto, Nigeria
https://drive.google.com/open?id=1uw-sTNkroknzJFinZayfHevIYTNdyQaG Vol.4(1) Pages: 28-32
- Anie, CO., Jemikalajah, JD, Enwa FO, Tochukwu TE (2018) Effect of Three Brands of Toothpaste on the Oral Bacteria, African Journal of Pharmaceutical Research and Development/Faculty of Pharmaceutical Sciences, University of Nigeria Nssuka
https://oer.unn.edu.ng/read/volume-10-issue-2-2018-effect-of-three-brands-of-toothpaste-on-the-oral-bacteria-1?rdr=1 Vol.10(2) Pages: 115-126
- Jemikalajah, Daniel Johnson (2018) Analysis of Bacterial Load in Domestic Water Sources in Ekpoma, Edo State, Nigeria, Borno Medical Journal/Medical and Dental consultants Association of Nigeria, University of Maiduguri Teaching Hospital
http://bornomedicaljournal.com/pdfs/13%20Analysis%20of%20Bacterial%20Load%20in%20Domestic%20Water%20Sources%20in%20Ekpoma.pdf Vol.15(1) Pages: 95-102
- Jemikalajah, Daniel Johnson (2018) Prevalence of Asymptomatic Bacteriuria Among Utagba-Ogbe Technical School Students in Kwale, Delta state, Sokoto Journal of Medical Laboratory Science/Faculty of Medical Laboratory Science, Usmanu Danfodiyo University Sokoto, Nigeria
https://drive.google.com/file/d/1pwK2WAyYQsyUsE_HW4B27ygSe40V9myO/view Vol.15(1) Pages: 54-58
- Jemikalajah, DJ (2017) PREVALENCE OF MALARIA PARASITES AMONG PREGNANT WOMEN IN UGHELLI, DELTA STATE, African Journal of Cellular Pathology/ Society for Cellular Pathology Scientists of Nigeria
https://pdfs.semanticscholar.org/7a3a/16938036348a0e6f7267bdb66394cf0a44a9.pdf Vol.9 Pages: 56-59
- Okogun, GRA; Jemikalajah, DJ; Ebhohimen, EV (2016) Bacteriological evaluation of poultry feeds in Ekpoma, Nigeria, African Journal of Cellular Pathology/ Society for Cellular Pathology Scientists of Nigeria
http://ajcpath.com/_journal_/wp-content/uploads/2016/05/OKOGUN-ET-AL-FULL-TEXT.pdf Vol.9 Pages: 6-9
- Jemikalajah, D.J., Okogun, G.R.A., and Omorogieva, O.M (2016) Burden of Parasitic Infections in Pregnancy According to Trimesters in Ekpoma Environment, Ekpoma Edo State., Journal of Medical Laboratory Science/Association of Medical Laboratory Scientists of Nigeria(AMLSCN)
https://drive.google.com/open?id=17VnCEc1oZ_G1aKXaQ42sHq4GUF3liNLf Vol.25(1) Pages: 66-71
- Jemikalajah, D; Okogun, G (2014/12/31) Health point prevalence of Helicobacter pylori in central hospital Warri, Nigeria, African Journal of Cellular Pathology/ Society for Cellular Pathology Scientists of Nigeria
https://pdfs.semanticscholar.org/5fb1/a43242274fd790d4baf8cb60f036c919c37a.pdf Vol.3(12) Pages: 57-60
- Jemikalajah, DJ; Okogun, GRA (2010) Microbial Infections Associated with Human immunodeficiency Virus (HIV) and Pulmonary Tuberculosis in Parts of Delta State, Nigeria., Journal of Medical Laboratory Science/Association of Medical Laboratory Scientists of Nigeria(AMLSCN)
https://www.ajol.info/index.php/jmls/article/view/117415 Vol.19(2) Pages: 7-12
- Okogun, GRA; Jemikalajah, DJ; Onyia, FC (2010) Prevalence of Malaria Parasitemia among Human Immunodeficiency Virus (HIV) Seropositive Pregnant Women in Kwale, Delta State, Nigerian Journal of Health and Biomedical Sciences/Department of Physiology, College of Medicine of the University of Lagos
https://www.ajol.info/index.php/njhbs/article/view/62594 Vol.9(2) Pages: 20-24
- Jemikalajah, D. J and Okogun, G.R.A. (2008) Demographic Evaluation of people infected with Humanimmunodeficiency virus(HIV) and Mycobacterium tuberculosis(MTB) in parts of Delta State, Nigeria, Journal of Medical Laboratory Science/Association of Medical Laboratory Scientists of Nigeria(AMLSN)
https://drive.google.com/open?id=1oV5TT8FLUK7p7talq6UF-m9-D_ICwjXF Vol.17(2) Pages: 13-18
- Jemikalajah, DJ (2019) Characterization and Evaluation of Antibiotic Susceptibility Pattern of Coagulase Negative Staphylococci Isolated from Common Clinical Specimens in a Central Hospital in Delta State, Nigeria, Journal of Applied Sciences and Environmental Management/Faculty of Science, University of Port Harcourt
https://www.ajol.info/index.php/jasem/article/view/183516 Vol.23(1) Pages: 183–186
- Anie, CO.,Jemikalajah,JD.,Enwa,FO &Ukachukwu, OL (2017) Antibacterial activity of ethanoic leaf extract of bryophyullum pinnactum(grassulaceae) on selected gram positive and negative bacteria., Annals of Biomedical Sciences/Medical consultant Association ,University of Benin, Teaching Hospital, Benin -City
https://www.ajol.info/index.php/abs/article/view/154447 Vol.16(1) Pages: 34-41
- Digban, AK; EAdu, M; Jemikalajah, DJ (2017) Assessment of dyslipidemia in renal disease patients, Annals of Biomedical Sciences/Medical and Dental Consultants Association of Nigeria (MDCAN) UBTH
https://www.ajol.info/index.php/abs/article/view/160323 Vol.16(2) Pages: 78-92
- Okogun,GRA,.Jemikalajah,DJ and Imafidon, B. (2016) Serum Lipid Profile of Anti-Retroviral(ARV) Naive Humanimmunodeficiency (HIV) Patients, Annals of Biomedical Sciences/Medical consultant Association ,University of Benin, Teaching Hospital, Benin -City
https://drive.google.com/open?id=1pWYTwaVmIs26sqPP6zQdQv8rGn2coz9I Vol.15(2) Pages: 143-149
- Okogun, GA; Jemikalajah, JD; Ogbebor, OJ (2010) Total serum calcium and inorganic phosphate levels in tuberculosis patients in Benin City, Nigeria, Sierra Leone Journal of Biomedical Research/College of Medicine and Allied Health Sciences, University of Sierra Leone
https://drive.google.com/open?id=1Hv3JHsYklJ-XiR8DusafhK4KIqPe4wFO Vol.2(2) Pages: 87-90
- Jemikalajah, Daniel Johnson (2017) Effect of Environmental Modification and Renewal on Prevalence of Parasitic Infections Among Primary School Pupils in Esan West Local Government Area of Edo state., Sokoto Journal Of Medical Laboratory Science/Faculty of Medical Laboratory Science,Usmanu Danfodiyo University Sokoto, Nigeria.
https://drive.google.com/open?id=1uWkso_qFodJ2nZl2w995ikcAkZNW_wHp Vol.2(3) Pages: 128-133
- Adu, M.E., Jemikalajah, D.J. and Digban, N.K. (2016) Assessment of Glucose and Insulin Resistance in (ARV) naive Human Immunodeficiency Virus Patients., Journal of Medical Laboratory Science/Association of Medical Laboratory Scientists of Nigeria(AMLSCN)
https://drive.google.com/open?id=1aTRhcbiCtJ2tWiYD-_xr-9ERqzRhk3nD Vol.25(2) Pages: 56-59
- Enwa F.O., Jemikalajah,J.D., Anie, c.o., and Ogbomo I.E. (2016) Prevalence of Biofilms produced by Staphylococcus Aureus Inducing Pneumonia in Parts of Edo State., Sokoto Journal of Medical Laboratory Science/Faculty of Medical Laboratory Science, Usmanu Danfodiyo University Sokoto, Nigeria
https://drive.google.com/open?id=1JBoViy8ZZAJNtFg1psQ1kA3y5nRfxKhz Vol.1(2) Pages: 27-31
- Jemikalajah, D. J and Okogun, G.R.A. (2008) Health point prevalence of Intestinal Parasites co-infection with Human immunodeficiency Virus and Pulmonary tuberculosis in parts Delta State, Journal of Medical Laboratory Science/Association of Medical Laboratory Scientists of Nigeria(AMLSCN)
https://drive.google.com/open?id=19D0jc8LJZzsfKgNPznHjPEkIn1y-UnQP Vol.22(3) Pages: 38-42
- Jemikalajah, DJ (2018-11-30) Estimation of bacterial load of fried rice prepared in five different restaurants in Abraka, Delta State Nigeria, Journal of Applied Sciences and Environmental Management
https://www.ajol.info/index.php/jasem/article/view/180278 Vol.22(10) Pages: 1697-1699
- Felix O Enwa , Johnson D Jemikalajah , Mercy I Iyamu , Ogheneyole EbenePhilip (2019) Antimicrobial Evaluation of Ginger, Turmeric and Garlic against Staphylococcus aureus Isolated From Diagnosed Pneumonia Patients. , Arctic Journal/Arctic Institute of North America
https://drive.google.com/open?id=1aDu2jlGQ0ucOUcsuvnJsaGPqFNtB49L9 Vol.72(7) Pages: 11 - 26
- Enwa Felix Oghenemaro , Anie Clement Oliseloke , Jemikalajah Johnson D , Ubiebi Ese Oghenetega (2020) Effect of Pleurotus tuber Regium (mushroom) Extract on the Biochemical Parameters of Wistar Albino Rats, Dutse Journal of Pure and Applied Sciences (DUJOPAS)/Faculty of Science Federal University of Dutse
https://fud.edu.ng/journals/dujopas/2020_March_Vol_6_No_1/19.pdf Vol.6(1) Pages: 42 - 46
- Felix Oghenemaro ENWA , Johnson Daniel JEMIKALAJAH, Michael OGHENEJOBO, Victor Eseoghene OGHENEBRUME (2020) Effect of methanol extract of Tridax procumbens flower on hematological parameters and serum lipid profiles of Wistar albino rats, Journal of Pharmacy and Bioresources/Faculty of Pharmaceutical Sciences, University of Jos
https://drive.google.com/open?id=1b-RjLpMDkBvFLb_fM1txAOh7sRJF5IhC Vol.17(1) Pages: 24 - 28
- Digban, Kester A; Adu, Matthew Eturhobore; Jemikalajah, Johnson Daniel; Adama, S (2018/1/1) Hormonal profile of some infertile women in Bida Nigeria, Libyan Journal of Medical Sciences/Medknow Publications
https://drive.google.com/open?id=1Ue-FMR6Jy08vr-9x4VwVZGqRMLwRhDEC Vol.2(1) Pages: 26-28
- Adu, M.E., Palmer, B., Jemikalajah, D.J. and Okogun, G.R.A. (2016) Serum Lipid Profile of Infertile Women with Hormonal Disorder in Irrua, Edo state., Journal of Medical Laboratory Science/Association of Medical Laboratory Scientists of Nigeria(AMLSCN)
https://drive.google.com/open?id=177jks4o_Zt1s3h2MN60prWipwCSNmCnr Vol.25(2) Pages: 45-48
- Jemikalajah JD, Okogun GRA, Adu ME, Okolie GC (2014) Evaluation of Serum Proteins in Pulmonary Tuberculosis, African Journal of Cellular Pathology/ Society for Cellular Pathology Scientists of Nigeria
https://drive.google.com/open?id=12jCu5P8e1DTHhD0J80GyOfG3sRsIowaz Vol.3 Pages: 20 -24
- Digban, AK; Okogun, GRA; Adu, M; Jemikalajah, JD (2016) Evaluation of some micronutrients in sickle cell disease, International Journal of Innovative Research and Development
https://www.researchgate.net/profile/Adu_Matthew/publication/309619363_Evaluation_of_Some_Micronutrients_among_Sickle_Cell_Disease_Patients_in_Benin_City_Edo_State_Nigeria/links/59ae6ebcaca272f8a167acad/Evaluation-of-Some-Micronutrients-among-Sickle-Cell-Disease-Patients-in-Benin-City-Edo-State-Nigeria.pdf Vol.5(8) Pages: 309-311
- Eshiet, EM; Jemikalajah, DJ; Okogun, GRA (2015) Plasma urea and electrolytes profile in different stages of HIV infection in Ekpoma, Nigeria, African Journal of Cellular Pathology/ Society for Cellular Pathology Scientists of Nigeria
https://pdfs.semanticscholar.org/faa1/2c3ae1f588ff54040ce43adcfe2d62b35d0b.pdf Vol.5 Pages: 1-5
- Adu, ME; Ezie, E; Isibor, CN; Jemikalajah, DJ (2015) Prevalence of Mycobacterium tuberculosis in human immunodeficiency virus patients at ART Centre Agbor, Nigeria, African Journal of Cellular Pathology/ Society for Cellular Pathology Scientists of Nigeria
https://pdfs.semanticscholar.org/57b3/ac5499c113a04d1947fb845c5844b6da2918.pdf Vol.4 Pages: 62-65
- Jemikalajah D Johnson , Enwa O Felix, Anie C Oliseloke, Agbaze G Oluwatosin (2020) Parasitic infestation of vegetables in abraka, Delta State, Nigeria, Journal of Biodiversity and Environmental Sciences/innspub
http://www.innspub.net/wp-content/uploads/2020/05/JBES-Vol-16-No-1-p-141-145.pdf Vol.16(1) Pages: 141-145
- Enwa F. Oghenemaro, Jemikalajah D. Johnson, Ithipri OrevaOghene, Oghenejobo Micheal (2020) PHYTOCHEMICAL AND ANTIMICROBIAL EVALUATION OF METHANOLCRUDE EXTRACT AND ALKALOID FRACTIONS OF GOSSYPIUM HIRSUTUM ON SELECTED CLINICAL ISOLATES , Faculty of Science Delta-State ,Abraka.
https://drive.google.com/file/d/1o3YO4Lv6h4y8NKrAo6sqimiChqdg4EC2/view?usp=sharing Vol.18(1) Pages: 1-5
- Clement Oliseloke Anie*, Johnson Daniel Jemikalajah, Christiana Orevaoghene, Okonkwo Chika Peace (2021) Incidence of Candidiasis Amongst Pregnant Women in General Hospital, Abraka, Delta State, Nigeria, World Journal of Pharmacy and Pharmaceutical Sciences/ WJPPS
http://www.wjpps.com/ Vol.5 Pages: 80-91
- Felix Oghenemaro Enwa, Johnson Daniel Jemikalajah, Collins Owhonigho Adjekuko, Clever Blessing Ogbare (2021/3/1) Evaluation of some Biochemical Parameters of Wistar Rats induced by Staphylococcus aureus isolated from Pneumonia patients , Journal of Pharmaceutical Research International/Open Access International Journal
http://www.sdiarticle4.com/review-history/65136 Vol.33 (5) Pages: 77-84
- Jemikalajah D.J., Enwa F.O. and Etaoghene A.D. (2021) Bacteriological Assessment of Palms of Student of Delta State University Abraka, Nigerian Journal of Environmental Sceinces and Technology (NIJEST)/Faculty of Environmental Science and Technology University of Benin
www.nijest.com Vol.5 Pages: 234-239
- Johnson Daniel Jemikalajah, Felix Oghenemaro Enwa and Emmanuel Chukwuebuka Chidozie (2021) Antbacterial activity of Annon muricata (sour sop) leaf extract on Escherichia coli and Pseudomonas aeruginosa, Turkish Journal of Physiotherapy and Rehabilitation
https://www.turkjphysiotherrehabil,org Vol.32(3) Pages: 13918-13923
- Johnson Daniel Jemikalajah, Clement Oliseloke Anie and Felix Oghenemaro Enwa (2021) Prevalence and density of malaria parasitaemia amongst HIV individuals in Warri,Nigeria, African Health Sciences/Faculty of Medicine, Makerere University, Uganda
https:www.ajol.info Vol.21(2) Pages: 614-618
- D. J. Jemikalajah and P. C. Chukwuma (2021) Incidence of Escherichia coli among patients presenting urinary tract infection, Nigerian Journal of Science and Environment/ Faculty of Science Delta State University Abraka
www.delsunjse.com Vol.19(1) Pages: 11-15
- Enwa Felix Oghenemaro; Johnson Daniel Jemikalajah; Monioro Philip Oghenerhivwe; Ikpama Sephora Uruemu (2022) Gastrointestinal tract Microbiome: The effect of Cnesti ferruginea Vahl ex DC (Connaraceae) root bark extract on albino wister rats, Internaitional Journal of Health Sciences/Portoviejo:Universidad Tecnica de Manabi
https://sciencescholar.us; mailto:rectorado@utm.edu.ec Vol.6(2) Pages: 5420-5431