@book{52215,
	author = {হাসান,রাগিব},
	title = {গবেষণায় হাতে খড়ি/},
	publisher = {আদর্শ,},
	year = {2015},
	address = {ঢাকা : },
	edition = {2ND EDN.},
	note = {Includes index.}
}