Onwugbuta, Nneka, and Jacinta Onyetugo Egbunefu. 2026. “Seasonal Variation of Physicochemical Parameters in Surface Water from an Oil-Producing Region of Nigeria”. Faculty of Natural and Applied Sciences Journal of Basic and Environmental Research 3 (1):19-34. https://doi.org/10.63561/jber.v3i1.1187.