@book{16566,
	author = {Md. Lutfur Rahman},
	title = {Research Methodology & Statistics/ গবেষণা পদ্ধতি ও পরিসংখ্যান},
	publisher = {Grontho Kutir,},
	year = {2013.},
	address = {Dhaka:},
	edition = {5th ed..}
}