Nworie, Felix S., Nkoli Mgbemena, A. C. Ike-Amadi, and Jane Ebunoha. “Functionalized Biochars for Enhanced Removal of Heavy Metals from Aqueous Solutions: Mechanism and Future Industrial Prospects”. Journal of Human, Earth, and Future 3, no. 3 (September 1, 2022): 377–395. Accessed June 3, 2025. https://hefjournal.org/index.php/HEF/article/view/168.