@book{1981,
	author = {সিকদার, মোঃ জহিরুল ইসলাম।},
	title = {প্রিন্সিপলস অব ইকনমিকস },
	publisher = {Confidence,},
	year = {ক২০১০।},
	address = {Dhaka:},
	edition = {3rd},
	note = {Includes index.}
}