Lata Rani, Jyotsna Kaushal, and Arun Lal Srivastav. 2019. “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 (2):29-34. https://doi.org/10.15415/jce.2019.52003.