KOCHAR, DINESH CHANDRA <br/><br/>
Audyogik Manovigyan : Siddhant Aur Samiksha  Audyogik Manovigyan : Siddhant Aur Samiksha, Patna : Bihar Hindi Granth Academy, 1974 
DINESH CHANDRA KOCHAR 
 - Patna  Bihar Hindi Granth Academy  1974 
<br/><br/><label>Dewey Class. No.: </label>331.01