OGBORU, E.; EKPETE, O. DETERMINATION OF THE CONCENTRATIONS OF PHYSICOCHEMICAL PARAMETERS AND TRACE METALS IN THE NEW CALABAR RIVER. Faculty of Natural and Applied Sciences Journal of Scientific Innovations , Port Harcourt, Nigeria, v. 3, n. 1, p. 11–18, 2021. Disponível em: https://fnasjournals.com/index.php/FNAS-JSI/article/view/15. Acesso em: 16 sep. 2024.