Jorgensen, Carolyn <br/><br/>
Mastering 123 

 - New Delhi:   BPB Publishers,   1986 
 - 466p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Universal Decimal Class. No.: </label>D 680.3.06   / M6