Sinclair, Barbara Activate your English : intermediate self-study workbook / Barbara Sinclair - Cambridge : Cambridge University Press, c1996. - 50 p. : ill., maps. ; 30 cm. ISBN: 0521484197 LCCN: Subjects--Topical Terms: English languageEnglish languageTextbooks for foreign s LC Class. No.: PE1128 / .S56 1996