@book{45376,
	author = {Wajeeha Javed (15598)},
	title = {Some dombi aggregation operators for interval valued Spherical fuzzy sets },
	publisher = {(unpublished)},
	year = {2021},
	address = {Lahore},
	note = {A thesis submitted in partial fulfillment of the requirements for the degree of Master of philosophy in Mathematics.}
}