@book{9974,
	author = {আবু ইউসুফ, মোঃ},
	title = {ডিফারেনসিয়াল ক্যালকুলাস},
	publisher = {Mamun Brothers.,},
	year = {c2001.[Reprinted 2003].},
	address = {Dhaka :},
	edition = {3rd ed.},
	note = {Includes index.}
}