Tennant, Adrian Synergy 1: Student book plus - Oxford National Textbook Co. 2006 - 120 p. 27 cm. 005298 F 566 ISBN: 140508121X Subjects--Topical Terms: English languageEnglish languageEnglish language--Examinations, questions, etc--Textbooks for foreign speakers Dewey Class. No.: 428.42 / S992