Nadia Abid, MSc Chemistry B.Ed, 2010-2012 Dr. Asrar Ahmad Comparative Study of purity of different commercial samples of tables slat / Nadia Abid - Lahore : Division of Science and Technology, University of Education, 2012 - 43 p. ISBN: hbk Subjects--Topical Terms: Chemistry--Comparative--Study--Purity--Table--Salt Dewey Class. No.: 543 / C73822