Zubair, M., Bilqees, R., Siddiqi, F. and Hussain, M. (1999) “?INDUSTRIAL FEASIBILITY STUDIES OF AZAD KASHMIR GYPSUM”, Biological Sciences - PJSIR, 42(1), pp. 54–58. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/2110 (Accessed: 25 November 2024).