ONWUGBUTA, Nneka; EGBUNEFU, Jacinta Onyetugo. Seasonal Variation of Physico-Chemical Parameters in Surface Water in Oil-Producing Region of Nigeria. Faculty of Natural and Applied Sciences Journal of Basic and Environmental Research, [S. l.], v. 3, n. 1, p. 19–34, 2026. DOI: 10.63561/jber.v3i1.1187. Disponível em: https://fnasjournals.com/index.php/FNAS-JBER/article/view/1187. Acesso em: 9 jun. 2026.