Khan K, Chowdhury M, Huq SI. Effects of biochar on the fate of the heavy metals Cd, Cu, Pb and Zn in soil. Bangladesh J. Sci. Res. [Internet]. 2016 Jan. 4 [cited 2024 Aug. 16];28(1):17-26. Available from: https://banglajol.info/index.php/BJSR/article/view/26240