@book{53855,
	author = {Fakhar un nisa  (405365)},
	title = {Dynamical analysis and behavior for four dimensional systems of exponential difference equations  },
	publisher = {(unpublished)},
	year = {2021},
	address = {Lahore},
	note = {Submitted in fulfillment of the requirements for the degree of Master of Philosophy in Mathematics}
}