Khurana Usha <br/><br/>
Computer praveshika. 

 - New Delhi  Takshshila Prakashan       1994 
 - 64p.  cm. 
<br/><br/><label>Standard No.: </label>37375 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B), N4