Bouatba, I., L. Bilali, M. Benchanaa, and M. El-Hammioui. “Decadmiation of Natural Phosphates by Heat Treatment and Hydrochloric Acid”. Asian Journal of Chemistry 28, no. 4 (December 30, 2015): 819–824. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/28_4_21.