?INDUSTRIAL FEASIBILITY STUDIES OF AZAD KASHMIR GYPSUM. Biological Sciences - PJSIR, [S. l.], v. 42, n. 1, p. 54–58, 1999. Disponível em: https://v2.pjsir.org/index.php/biological-sciences/article/view/2110. Acesso em: 10 mar. 2026.