Saxena, Preeti <br/><br/>
Information technology:  class x: code 42 under NSQF / 
Preeti Saxena 
 - New Delhi, India:  S.K. Kataria & Son,   c2022 
 - 408 pages;  24 cm 
<br/><br/><label>ISBN: </label>9789350147061 
<br/><br/><label>LC Class. No.: </label>T58.5  / .S40 2022