Dar, Karamat H. Dr. Mathematical techniques : for B.A./B.Sc. / Dr. Karamat H. Dar, Irfan-ul-Haq, M. Ashraf Jajja. - Second edition. - Lahore : Caravan Book House, 1992. - 550pages : illustrations ; 24 cm. ISBN: pbk. Subjects--Topical Terms: Mathematics Dewey Class. No.: 510 / DAR