@book{50140,
	author = {Iram Kubra (28174)},
	title = {A novel approach to descion cost based on θ-similarity relation},
	publisher = {(Unpublished)},
	year = {2023},
	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.}
}