Azam, MA, S Alam, and FI Khan. “The Solubility Degradation Study of Organophosphoric Acid Extractants in Sulphuric Acid Media”. Journal of Chemical Engineering 25 (March 10, 2011): 18–21. Accessed September 7, 2025. https://banglajol.info/index.php/JCE/article/view/7235.