Berg, Gary A. , <br/><br/>
The knowledge medium :  designing effective computer-based learning environments / 
Gary A. Berg. 
 - iii, 264 pages :  illustrations ;  27 cm. 
<br/><br/><label>ISBN: </label>1591401038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruction.
<br/><br/><label>LC Class. No.: </label>LB1028.5   / .B47 2003