Coultas, Valerie 1951- Constructive talk in challenging classrooms : strategies for behaviour management and talk-based tasks / Valerie Coultas - London : Routledge, 2007 - viii, 166 p. : ill. ; 22 cm. Includes bibliographical references and index ISBN: 0415403421 (hbk.) 9780415403429 (hbk.) RM439.60 041540343X (pbk.) 9780415403436 (pbk.) Subjects--Topical Terms: LearningOral communicationOral communication--Study and teaching