Khan, I. H., Mahmood, F. and Naeem, M. (2001) “CHEMICAL, MINERALOGICA L CHARACTERIZATION A ND LIBERATION STUDIES OF KOH-I-SULTAN SULPHUR”, Biological Sciences - PJSIR, 44(2), pp. 72–74. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/1880 (Accessed: 22 November 2024).