Datta, S. C. creator Datta,Sudha Datta,Sushma text Karachi Paramount Book Publisher 1997 monographic V,343 p. : English language English language--Composition and Exercises English language--Study and Teaching (Elementary) 425DAT 8170416183 (paperback) 9788170416180 (paperback) http://www.amazon.com/exec/obidos/ASIN/8170416183/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/8170416183/chopaconline-20