Lata Rani, Jyotsna Kaushal, and Arun Lal Srivastav. “Potential of Biochar As Cost Effective Adsorbent in Removal of Heavy Metals Ions From Aqueous Phase: A Mini Review”. Journal of Chemistry, Environmental Sciences and its Applications 5, no. 2 (March 6, 2019): 29–34. Accessed March 29, 2024. https://jce.chitkara.edu.in/index.php/jce/article/view/70.