Callahan Joseph F Innovations and issues in education / [edited by] Joseph F. Callahan, Leonard H. Clark. - New York : Macmillan, c1977. - viii, 312 p. ; 26 cm. - Planning for competence . Includes bibliographies. ISBN: 0023180501 Subjects--Topical Terms: Educational innovations. Dewey Class. No.: 370.1 CAL