Hafeez, I. ., Aamir, M. ., Nasir, S. ., ud-din, Z.-., Amin, A. . and Akram, A. . (2019) “Bio-Physiochemical Beneficiation of Low Grade Coal from Lakhra Mine, (Sindh) Pakistan”, Journal of Asian Scientific Research, 9(10), pp. 173–184. doi: 10.18488/journal.2.2019.910.173.184.