C. C., Ike,. 2017. “BIOLOADS AND ENZYME ACTIVITIES OF PETROLEUM POLLUTED EFE RIVER WETLAND, UMULOLO, OKIGWE, IMO STATE. NIGERIA.”. IJRDO - JOURNAL OF BIOLOGICAL SCIENCE 2 (7), 25-35. https://doi.org/10.53555/bs.v2i7.1631.