@book{21962,
	author = {Waqas Babar (18335) },
	title = {A study of soft normal subgroups },
	publisher = {(unpublished) },
	year = {2018},
	address = {Islamabad },
	note = {Submitted in fulfillment of the requirements for the degree of Master of Philosophy in Mathematics to the Faculty of Basic Sciences & Humanities.}
}