Study of The Effect of Leaching Time of Manganese Ore from Pujananting District, Barru Regency Using The Hydrometallurgical Method. Journal of Chemical Process Engineering, [S. l.], v. 10, n. 2, p. 51–59, 2025. DOI: 10.33096/jcpe.v10i2.1584. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/1584. Acesso em: 2 dec. 2025.