HENRY OGBUAGU, D. . In situ yields in primary productivity of sand mine ponds of the Otamiri River in a southeastern city of Nigeria. Scientific Journal of Environmental Sciences, [S. l.], v. 2, n. 4, p. 84-92, 2013. Disponível em: http://sjournals.com/index.php/sjes/article/view/1260. Acesso em: 22 jul. 2024.