Singh Ajay Kumar  <br/><br/>
Pustakalya Vishwakosh (Vol-9)   : Pustakalya Vigyan ke Sidhant  
By Ajay Kumar Singh  
 - New Delhi   Arjun Publishing House   2023 
 - 295p. 
 -  Vol-9 .
<br/><br/><label>ISBN: </label>9788183302746 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERAL BOOKS
<br/><br/><label>Dewey Class. No.: </label>020.3  / SIP