@book{27528,
	author = {Aniqa Amin(402251)},
	title = {Generalization of he materix for inner dual graphs of hexagonal system and its spectral properties},
	publisher = {(unpublished)},
	year = {2019},
	address = {Lahore},
	note = {In partial fulfillment of the requirement for the degree of Master of Philosophy in Mathematics.}
}