"Vohra, B.B." <br/><br/>
Prakritik sansadhano ki suraksha 

 - New Delhi  Bhartiya Sanskritik Nidhi  1989 
 - 11p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paryavaran
<br/><br/><label>Dewey Class. No.: </label>H 333.7