Hopkins, David A teacher's guide to classroom research / David Hopkins ; with assistance of Elpida Ahtaridou - 4th ed. - Berkshire, England : Open University ; McGraw-Hill, c2008 - 222 p. : ill. ; 24 cm. Includes bibliographical references and index ISBN: 9780335221745 0335221742 Subjects--Topical Terms: Education--ResearchClassroom management--ResearchObservation (Educational method)Curriculum change