Bilal, Umar, Ibrahim Imrana, and DarmaMuhammad Suleiman. “GRAVIMETRIC DETERMINATION OF SULPHATE IN SOME SELECTED INDUSTRIAL EFFLUENTS”. FUDMA JOURNAL OF SCIENCES 4, no. 4 (June 13, 2021): 290 - 294. Accessed April 18, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/484.