Berg, Gary A.,  1955- <br/><br/>
The knowledge medium :  designing effective computer-based learning environments/ 
Gary A. Berg 
 - Hershey :  Information Science Pub.,  c2003 
 - iii, 264p. :  ill.;  26cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1591401038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruments
<br/><br/><label>Dewey Class. No.: </label>371.334