Simpon, Alan. <br/><br/>
Mastering world s.1. 

 - New Delhi :  BPB Publication,  1991. 
 - 1044 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer.<br/>Computer programme.
<br/><br/><label>Dewey Class. No.: </label>5.52  / SIM-m