EZEUGWU INNOCENT ONYEBUCHI; OZOKO DANIEL CHUKWUEMEKA; IYI EMMANUEL CHIBUIKE. SULFUR SPECIATION IN REGOLITH AQUIFERS AT ENUGU, SOUTHEASTERN NIGERIA. International Journal of Earth & Environmental Sciences (IJEES), [S. l.], v. 1, n. 1, p. 15–34, 2016. DOI: 10.58885/ijees.v1i1.15.eo. Disponível em: https://ijees.ielas.org/index.php/ijees/article/view/57. Acesso em: 22 apr. 2026.