Constructivism and the technology of instruction :  a conversation / 
edited by Thomas M. Duffy and David H. Jonassen 
 - xi, 221 pages ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781138142619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems--Design<br/>Constructivism (Education)