Diwadi, Krishan Dutt <br/><br/>
Audhyogiki avom vyavsayik manovigyan (Hindi) 
by Krishan Dutt Diwadi 
 - Lucknow  Uttar Pradesh Hindi Granth Academy  1974 
 - 506p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial,vocational-psychology