Information assistance and security/ 
Shekhar, Shashi. 
 - 1st ed. 
 -  Venus Books,  2023 
 - xiii, 272 pages 
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<br/><br/><label>ISBN: </label>978-9-38655994-4 
<br/><br/><label>Dewey Class. No.: </label>005.8 S543 2023