Muhammad Affan, Msc Chemistry, 2007-2009, Supervised by Dr. Prof. Izhar ul Haque Khan Extraction of potash from gangue minerals of chichali iron ore / Muhammad Affan - Lahore : Division of Science & Technology, University of Education, 2007 - 29 p. ISBN: (hbk) Subjects--Topical Terms: Chemistry--Potash--Minerals Dewey Class. No.: 547.1 / Ex87