@book{158184,
	author = {Salam, Md. Abdus},
	title = {The relationship between classroom density and altruistic, cooperative and competitive behaviour of the pre-adolescent / },
	publisher = {University of Dhaka, },
	year = {2011.},
	address = {Dhaka : },
	note = {Thesis (M.Phil.)--Department of Psychology, University of Dhaka, 2003-2004
}
}