HAMZAH, A.; PRIYADARSHINI, R.; ASTUTI, A. The potential use of humic acid-coated biochar for reducing Pb and Cu in the soil to improve plant growth. Journal of Degraded and Mining Lands Management, Malang, Indonesia, v. 10, n. 1, p. 4001–4009, 2022. DOI: 10.15243/jdmlm.2022.101.4001. Disponível em: https://www.jdmlm.ub.ac.id/index.php/jdmlm/article/view/1255. Acesso em: 21 may. 2024.