@book{41192,
	author = {Muhammad Tayyab (F19A14G27048)},
	title = {Comparative study of airborne particulates matter collected from various sites of Islamabad and Faisalabad cities by using x-ray diffraction technique  },
	publisher = {(unpublished)},
	year = {2021},
	address = {Faisalabad },
	note = {Submitted in fulfillment of the requirements for the degree of Master of Philosophy in Physics to the Faculty of Basic Sciences and Humanities.  
}
}