WESSEY, N. The Physical and Geochemical Investigation of Effurun River Sand at Ugbolokposo and Ugbomro, Uvwie-Aladja, western Niger Delta, Nigeria. Asian Journal of Applied Sciences, [S. l.], v. 4, n. 6, 2017. Disponível em: https://ajouronline.com/index.php/AJAS/article/view/4278. Acesso em: 30 nov. 2021.