REGRESSION OF CHEMICAL OXYGEN DEMAND AND TOTAL ORGANIC CARBON IN SELECTED MINING POLLUTED GROUNDWATER SOURCES. Journal of Pure and Applied Sciences (Science Forum), [S. l.], v. 25, n. 4, 2026. Disponível em: https://atbuscienceforum.com.ng/index.php/jpas/article/view/226. Acesso em: 27 may. 2026.