ILMI, Fiqrhatul; MAWARDI, Mawardi. Effect of concentration sulfuric acid on alumina extraction from napa soil. Jurnal Pijar Mipa, [S. l.], v. 18, n. 5, p. 766–770, 2023. DOI: 10.29303/jpm.v18i5.5546. Disponível em: http://www.jurnalfkip.unram.ac.id/index.php/JPM/article/view/5546. Acesso em: 14 jun. 2024.