A. Balogun and A. Baba, “Leaching Kinetics of Crucial Metals from Bismutite Ore: Parameter Determination”, jsmpm, vol. 5, no. 2, pp. 94–103, Oct. 2025, Accessed: Jul. 23, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/jsmpm/article/view/23329