Schwartz, James E. <br/><br/>Essentials of education technology/ James E. Schwartz and Robert J. Beichner.  -- Boston;  Allyn and Bacon.,  1999. <br/>xii, 212 p.;  ill.  24 cm. <br/><br/> Includes bibliographical references and indexes. <br/><br/><label>ISBN: </label>0205277004 <br/><br/><label>Dewey Class. No.: </label>GSL 372.0285 Sch92 1999