Tripp, David. Critical incidents in teaching : developing professional judgement / David Tripp. - London. New York : Routledge, 1993. - xvii, 164 p. : ill. ; 24 cm. + pbk. Includes bibliographical references (p. [158]-160) and index. ISBN: 0415095425 0415095433 (pbk.) LCCN: 93013435 Subjects--Topical Terms: TeachingClassroom management--Great Britain. Dewey Class. No.: 371.102