Ryan, Kevin, 1932- Those who can, teach / Kevin Ryan, James M. Cooper. - 4th ed. - Boston : Houghton Mifflin Co., c1984. - xvi, 461 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 0395342570 LCCN: 83082566 Subjects--Topical Terms: Teaching. Dewey Class. No.: 371.1/02