Shah, Seema <br/><br/>
Operating system : ( MCA first year : Second Semester) 

 - 2nd ed. 
 - Vipul prakashan  Mumbai  2012 
 - iv,264 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>001.61