Akpor, O.B. and Ogundeji, M.D. and Olaolu, D.T. and Aderiye, B.I. (2014) Microbial Roles and Dynamics in Wastewater Treatment Systems: An Overview. International Journal of Pure & Applied Bioscience, 2 (1). pp. 156-168. ISSN 2320 – 7051