Parson jamrich june <br/><br/>
computer concepts 

 - 4th 
 - Boston  course technology 
 - x,144p 
<br/><br/> illus,pic,index 
<br/><br/><label>ISBN: </label>0619109335 
<br/><br/><label>LC Class. No.: </label>QA 76 par  / xv,144p