Borich, Gary D. Observation skills for effective teaching / Gary D.Borich with contributions by Debra Bayles Martin. - 3rd ed. - Upper Saddle River, N.J.: Merrill, c1999. - 302 p. ; 25 cm. Includes bibliografical references and indexes. ISBN: 0138603960 Subjects--Topical Terms: Observation (Educational method)Teaching Dewey Class. No.: 371.102