@book{4129,
	author = {Shahidulah, A. M. M.  and Bhattacharjee, P. K. },
	title = {A text book on higher Algebra and Trigonometry :},
	publisher = {H. L. Chandanpura,},
	year = {c1964 [Reprinted 2000].},
	address = {Chittagong, Dhaka :},
	edition = {12th ed.}
}