Zahra, Samreen, Zahid Mahmood, Farah Deeba, Asma Sheikh, Hamim Bukhari, and Habiba Mehtab. “Modification of Coconut Shell Charcoal for Metal Removal from Aqueous Solutions”. European Journal of Chemistry 13, no. 3 (September 30, 2022): 259–266. Accessed May 6, 2024. https://www.eurjchem.com/index.php/eurjchem/article/view/2248.