Kazmi, Kamran Raza, M Sltafeeq Anwar, R A Gohar, Saqib Ahmad, and Fayaz ur Reitman. 2000. “?FLOTATION CHARACTERISTICS OF LEAD-ZINC ORE FROM BESHAM, DISTRICT SWAT, NWFP, PAKISTAN”. Biological Sciences - PJSIR 43 (5):319-23. https://v2.pjsir.org/index.php/biological-sciences/article/view/2059.