Avneesh kumar <br/><br/>
Cracking LIS examinations;Unit-4-Information sources and international standard  Subjective and objective approach 

 - NewDelhi  Ess Ess  2022 
<br/><br/><label>ISBN: </label>9789392594007 
<br/><br/><label>Dewey Class. No.: </label>020  / AVN.C.4