NURHAWAISYAH, Sitti Ratmi; YUSUF, Firman Nullah; MURNIATI, Murniati; FAJRIATY, Nur Khaera; SURYANTO BAKRI. Effect of Sulfuric Acid Concentration on the Leaching Behavior of Manganese Ore from Palludda Barru Regency. Cognitia : International Engineering Journal, [S. l.], v. 1, n. 3, p. 122–128, 2025. DOI: 10.63288/ciej.v1i3.14. Disponível em: https://ejournal.candela.id/index.php/ciej/article/view/118. Acesso em: 10 jan. 2026.