Alwis, D.S., R.A. Perera, and C.S.K. Rajapakse. “Calamondin Peel Waste-Derived Activated Carbon As a Biosorbent for Heavy Metal Removal from Aqueous Solutions”. Asian Journal of Chemistry 37, no. 7 (June 30, 2025): 1713–1719. Accessed December 5, 2025. https://asianpubs.org/index.php/ajchem/article/view/37_7_21.