RAFIQUE, M., YUSUF, M. and BALOCH, I. (1994) “?STUDIES ON THE ECONOMIC POTENTIAL OF GLASS SAND DEPOSITS OF DAU DAM DISTRICT DADU SINDH FOR GLASS MANUFACTURE”, Biological Sciences - PJSIR, 37(3), pp. 113–116. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/2593 (Accessed: 25 November 2024).