@book{25021,
	author = {Azka Anees (15325)},
	title = {Unsteady three dimensional free convective flow through a porous medium with periodic permeability },
	publisher = {(unpublished)},
	year = {2019},
	address = {Islamabad },
	note = {Submitted in fulfillment of the requirement for the degree of Master of Philosophy in Mathematics to the Faculty of Basic Sciences and Humanities.}
}