@book{10087,
	author = {আবু ইউসুফ, মোঃ},
	title = {ডিফারেন সিয়ালক্যাল কুলাস /},
	publisher = {Mamun Brothers,},
	year = {c1993.[reprinted 1997]},
	address = {Dhaka :},
	edition = {2nd ed}
}