Govindasamy, Vijayakumar, Tamilarasan Rengasamy, and Dharmendra Kumar Mahendra Das. “Removal of Cd<sup>2+< sup> Ions from Aqueous Solution Using Live and Dead <em>Bacillus Subtilis< Em>”;. Chemical Engineering Research Bulletin 15, no. 1 (September 30, 2011): 18–24. Accessed October 8, 2025. https://banglajol.info/index.php/CERB/article/view/6618.