Naunton, Jon Clockwise : Upper - Intermediate : Classbook - Oxford Macm.illan Education 2000 - 119 p. 28 cm. 003493 F 178 ISBN: 0194340821 Subjects--Topical Terms: English languageEnglish languageEnglish language--Study and teaching--Problems, exercises, etc Dewey Class. No.: 428.0071 / C643