Herr, Edwin L. Vocational guidance and career development in the schools : towar ds a systems approach / Edwin L. Herr, Stanley H. Cramer. - Boston : Houghton Mifflin, 1972. - x, 356 p. ; 24 cm. Includes bibliographical references and index. ISBN: 039512638X Subjects--Topical Terms: Vocational guidanceCareer development. Dewey Class. No.: 371.425