Berg, Gary A. <br/><br/>
The knowledge medium  : designing effective computer-based learning environments 
/Gray A. Berg 
 - Hershey:  Information Science Publishing,  2003. 
 - iii, 264p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>1591401038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruction
<br/><br/><label>Dewey Class. No.: </label>371.334  / BEK