@book{6139,
	author = {হোসেন,আফতাব},
	title = {গনযোগাযোগ তত্ত্বাবলী/},
	publisher = {বাংলা একাডেমী,},
	year = {১৯৯৩.},
	address = {ঢাকা:},
	edition = {১ম}
}