Merdinger, Polly Northstart: focus on listening and speaking: introductory: teachers manual and achievement tests Polly Merdinger, Laurie Barton - New York: Longman - ca 60 p. Incluye casete adjunto consulte casete/428.3/M552 Subjects--Topical Terms: Inglés---Enseñanza Dewey Class. No.: 428.3 / M552