O'Leary, Matt, Classroom observation : a guide to the effective observation of teaching and learning / Matt O'Leary. - Milton Park, Abingdon, Oxon : Routledge, 2014. - xi, 195 p. : ill. ; 25 cm. Includes bibliographical references and index ISBN: 9780415525787 Subjects--Topical Terms: Observation (Educational method) Dewey Class. No.: 371.39 OLE 2014