IDRIS, Ahmad. “Evaluation of Challawa Tannery Wastewater As Mixing and Curing Water for Concrete Production”. FUDMA Journal of Engineering and Technology 2, no. 2 (September 1, 2026): 383–390. Accessed September 5, 2026. https://fjet.fudutsinma.edu.ng/index.php/fjet/article/view/248.