@book{22880,
	author = {Ambreen Muzaffar (13854) },
	title = {Comparison study of penumbra, flatness and symmetry for high energy-photon beams, in small & large fields, with 2D ion chamber array matrix },
	publisher = {(unpublished) },
	year = {2018},
	address = {Islamabad },
	note = {Submitted in fulfillment of the requirements for the degree of Masters of philosophy in Physics to the Faculty of Basic Sciences and Humanities.}
}