Singh, Jagdish <br/><br/>
Arthik bhugol ke mul tatva / 
Jagdish Singh and K.N. Singh 
 - Gorakhpur:  Gyanodaya Prakash,  
 - 532p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>910.13301  / SINA