J. M. PATRA; S. S. PANDA; N. K. DHAL. Biochar as a low-cost adsorbent for heavy metal removal: A review. International Journal of Research in BioSciences (IJRBS), [S. l.], v. 6, n. 1, p. 1-7, 2020. Disponível em: http://www.ijrbs.in/index.php/ijrbs/article/view/232. Acesso em: 4 may. 2024.