@book{158941,
	author = {Begum, Syeda Nazneen},
	title = {Comparative study of socil, psychological and biological aspects of aging among the normals,mentlly ill and mentally retarded /},
	publisher = {University of Dhaka, },
	year = {1988.},
	address = {Dhaka :},
	note = {Thesis(M.Phil)  - - Department of Psychology, University of Dhaka, Year : 1988.

}
}