TOLLY, Robert; WALANDA, Daud Karel; NAPITUPULU, Mery; NURMAYANTI, Yuli. Pembuatan Biochar dari Cangkang Pinang sebagai Adsorben Logam Kadmium (Cd). Journal of Education Research, [S. l.], v. 7, n. 2, p. 862–875, 2026. DOI: 10.37985/jer.v7i2.3789. Disponível em: https://mail.jer.or.id/index.php/jer/article/view/3789. Acesso em: 9 jun. 2026.