Constructivism and the technology of instruction  a conversation 
edited by Thomas M.Duffy, David H. Jonassen with special assistance from Peggy Cole. 
 - Hillsdale, N.J.  Lawrence Erlbaum Associates Publishers  1992. 
 - xi, 221 p.  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0805812725 
<br/><br/><label>LCCN: </label>92022781  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems--Design.<br/>Constructivism Education
<br/><br/><label>LC Class. No.: </label>LB1028.38  / .C66 1992 
<br/><br/><label>Dewey Class. No.: </label>370.15/23