Lata Rani, Jyotsna Kaushal, & 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