Haydn, Terry, 1951- Managing pupil behaviour improving the classroom atmosphere / Terry Haydn. - 2nd ed. - Abingdon, Oxon ; New York : Routledge, 2012. - xii, 215 p. : ill. Includes bibliographical references and index. ISBN: 9780203134078 (Proquest Ebook Central) Source: 958167 Proquest Ebook Central LCCN: Subjects--Topical Terms: Classroom environment.Behavior modification.Students--Psychology.