Khan, M Ahsan Ullah. Brush up Your English : A Complete Handbook for Teaches & Students / M Ahsan Ullah Khan. - Dhaka, Ananya, 1997. - 349 p. ; 18 cm. Includes index. ISBN: 984300277X Subjects--Topical Terms: Handbook. Dewey Class. No.: 415 / KHB 1997