KHAN, I. H., FAYYAZ MAHMOOD, MUSTANSAR NAEEM, and WAZIR MOHAMMED. 1994. “?PROCESSING OF EMERALD BEARING ROCKS OF GUJAR KILLI EMERALD MINE BY WASHING AND SCREENING”. Biological Sciences - PJSIR 37 (4):167-70. https://v2.pjsir.org/index.php/biological-sciences/article/view/2627.