Hidayat, B, A Rauf, T Sabrina, and Ali Jamil. “Potential of Several Biomass As Biochar for Heavy Metal Adsorbent”. Journal of Asian Scientific Research 8, no. 11 (December 3, 2018): 293–300. Accessed November 22, 2024. https://archive.aessweb.com/index.php/5003/article/view/3897.