Martin, Ralph E., 1951- An introduction to teaching : : a question of commitment / [electronic resource] / Ralph E. Martin, Jr., George H. Wood, Edward W. Stevens, Jr.. — Boston : : Allyn and Bacon,, c1988.. — xvii, 427 p. : : ill. ; 25 cm. Includes bibliographies and indexes. ISBN: 0205113753 9780205113750 LCCN: 87031888 Subjects--Topical Terms: Teaching--Vocational guidance. LC Class. No.: LB1775 / .M4334 1988 Dewey Class. No.: 371.1/02