CHEMICAL, MINERALOGICA L CHARACTERIZATION A ND LIBERATION STUDIES OF KOH-I-SULTAN SULPHUR. Biological Sciences - PJSIR, [S. l.], v. 44, n. 2, p. 72–74, 2001. Disponível em: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1880. Acesso em: 10 mar. 2026.