1. Nnadozie, R.I., N.C. Ewelike, M.N. Echendu, G.I. Eberendu, S.O. Njoku and J.U. Ozor, 2022. Effect of total exclusive breast feeding on the prevalence of malaria among children at the pediatric outpatient ward of a Tertiary Health Care Center in Owerri, Southeastern Nigeria. World J. Bio. Pharm. Health Sci., 10: 30-36.
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2. Ewelike, N.C., C.A. Okoli, M.N. Echendu and J.U. Enekwa, 2022. Bacteriological assessment of borehole water in some communities in Owerri West, Southeastern Nigeria. GSC Biol. Pharm. Sci., 18: 177-181.
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3. Nnadozie, R.I., N.C. Ewelike, E. Chinakwe, N.N. Nnodim, C.O. Anorue, J.U. Ozor and G.I. Eberendu, 2021. Parasitological and bacteriological survey of liquid wastes from naze industrial clusters in Owerri, Imo state. GSC Bio. Pharm. Sci., 15: 138-142.
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4. Ewelike,N.C., J.N. Ogbulie, J.C. Orji, I. Adieze and A. Ukaoma 2021. Ameliorative Effect of Sodium Carbonate on Phytotoxicity of Palm Oil Mill Effluent. World J. Adv. Res. Rev. 11: 039-043.
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5. Ewelike, N.C., J.C. Orji, I.E Adieze, V.E. Ogwudire and B.U. Uzoho et al. 2021. Effect of Palm Oil Mill Effluent on the Growth of Maize (Zea mays). Online First Articles 10.18805/IJARe.A-628.
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6. Ewelike, N.C., J.C. Okammadu, V.E. Ogwudire and R.I. Nnadozie, 2021. In-vitro antimicrobial activity of methanolic and aqueous leaf extracts of Chrysophyllum albidum (African star apple) and garcinia kola (bitter kola). GSC Bio. Pharm. Sci., 14: 249-253.
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7. Ewelike, N.C., P.C. Ogbonnaya, V.C. Ekwebelem, J.U. Onyema, P.E. Chuku and E.O. Anoka, 2020. Microbiological quality of harvested rainwater used for drinking and domestic purposes in Southeastern Nigeria. Singapore J. of Sci. Res., 10: 47-51.
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8. Ewelike, N.C., P.C. Ogbonnaya, V.C. Ekwebelem, J.U. Onyema, P.E. Chuku and E.O. Anoka, 2020. Microbiological quality of harvested rainwater used for drinking and domestic purposes in Southeastern Nigeria. Singapore J. Sci. Res., 10: 57-61.
9. Nicholas, E.C., I.C. Uche and R.I. Okechukwu, 2019. Affordable treatment system for palm oil mill effluent. J. Applied Biosci., 142: 14560-14563.
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10. Nicholas, E., A. Lawrence, O. Emmanuel, N. Raymond and U. Adanma, 2019. Enhanced microbial removal of residual oil in palm oil mill effluent in the presence of organic supplement. Am.-Eurasian J. Agric. Environ. Sci., 19: 399-403.
11. Ewelike, N.C., C.A. Ojike, V. Ogwudire and A. Ukaoma, 2019. Effects of paraquat, glyphosphate and atrazine on nodulation in Vignae unguiculata (Cowpea). World J. Agric. Sci., 15: 376-379.
12. Okechukwu, R.I., N.C. Ewelike, A.A. Ukaoma, A.A. Emejulu and C.O. Azuwike, 2012. Changes in the nutrient composition of the African oil bean meal ugba (Pentaclethre macrophylla Benth) subjected to solid state natural fermentation. J. Applied Biosci., 51: 3591-3595.
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13. Okechukwu, R.I., N.C. Ewelike, R.N. Okechi, C.M. Duru and T.I.N. Ezejiofor, 2011. Microbial quality of "Kunun Zaki": A Nigerian indigenous fermented food drink. Int. J. Biotechnol. Biochem., 7: 585-592.
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14. Ewelike, N.C. and C.G. Obika, 2010. Effect of vegetable oil mill effluent on bacterial population in tropical garden soil. Int. J. Environ. Health Hum. Dev., 11: 34-38.
15. Ewelik, N.C., 2008. Use of biofilters in the management of aerial environments. Int. J. Natural Applied Sci., 4: 54-57.
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16. Ibekwe, V.I., N.C. Ewelike, C.A. Amajouyi and A.A. Emejulu, 2006. Microbiological and physico-chemical quality of Aba River polluted with effluents from a bottling company. Int. J. Natural Applied Sci., 2: 388-391.
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17. Aririatu, L.E. and N.C. Ewelike, 2006. Production of a portable biofilter unit for the removal of odour and colours from wastewaters. Stud. Geotech. Mech., 28: 83-88.
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18. Ewelike, N.C., 2004. Prospects of the use of biofiltration in the management of Nigerian aerial environment. Int. J. Environ. Health Hum. Dev., 5: 27-30.
19. Aririatu, L.E. and N.C. Ewelike, 2003. A low-cost filtration system for the treatment of wastewaters. Environ. Protect. Engin., 29: 17-22.
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