@book{48048,
	author = {Bilal Naseer Ahmed (23701)},
	title = {Roughness in semilattices via V -regular classes},
	publisher = {(Unpublished)},
	year = {2022},
	address = {Islamabad},
	note = {Submitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Mathematics to the Department of Basic Sciences.}
}