Ezeugwu Innocent Onyebuchi, Ozoko Daniel Chukwuemeka, Iyi Emmanuel Chibuike. SULFUR SPECIATION IN REGOLITH AQUIFERS AT ENUGU, SOUTHEASTERN NIGERIA. ijees [Internet]. 2016 Nov. 1 [cited 2026 Apr. 22];1(1):15-34. Available from: https://ijees.ielas.org/index.php/ijees/article/view/57