@book{21851,
	author = {Sumbal Chughtai (13954)},
	title = {A certain classification of partially balanced incomplete block designs },
	publisher = {(unpublished) },
	year = {2017},
	address = {Islamabad},
	note = {Submitted in fulfillment of the requirement for the degree of Master in Philosophy in Statistics to the Faculty of Basic Sciences & Humanities. }
}