Garton-Sprenger, Judy Exchanges Workbook : Main course English / J. Garton-Sprenger, T.C. Jupp, Ph. Prowse. - London : Heinemann, 1988. - p. ill. P. A, Units 1-5 (48 p.) ISBN: 0 435 28469 X Subjects--Topical Terms: English language--Textbook for foreigners--Workbook