Kayode, Komolafe, Achuenu Ifeanyi, and Joro Joshua Dung. “Effect of Tantalum on Coltan in Cassiterite Using Mathematical Modeling Approach With Respect to Gibbs Energy”. The International Journal of Science & Technoledge 9, no. 6 (June 30, 2021). Accessed June 29, 2024. http://internationaljournalcorner.com/index.php/theijst/article/view/164515.