@book{160646,
	title = {Population dynamics of black Drongo (Dicrurus macrocercus) and its role in insects control in Ullahpara upazila, Hemayetpur, Savar and Sher-E-Bangla Agricultural university, Dhaka /},
	publisher = {University of Dhaka,},
	year = {2016},
	address = {Dhaka :}
}