Kumra, V K, ed. Nag, Prithvish, ed. Singh, Jagadish, ed. Singh, Onkar, ed. <br/><br/>
Frontiers in environmental geography 

 - New Delhi  Concept publishing company  1993 
 - 436p.; 22cm. 
<br/><br/><label>ISBN: </label>8170224624 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecological balance<br/>Environment and development<br/>Environmental economics<br/>Environmental geography<br/>Environmental policy<br/>Traditional agriculture