LELAND L  BACK <br/><br/>
SYSTEMS SOFTWARE 

 - 3 
 -  PEARSON EDUCATION PVT. LTD. DELHI110092 
 - 519 
<br/><br/> Paper Back 
<br/><br/> Reference Copy 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer
<br/><br/><label>Dewey Class. No.: </label>5.42