Programmed computer learning 3 
Harina, Ricardo M. 
 -  Academic Publishing Corporation.  1996 
 - viii, 260 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71707002-4 
<br/><br/><label>Dewey Class. No.: </label>F 001.649 H22p 1996