Singh,S.R. <br/><br/>
Environmental Economics  
/ by S.R. Singh 
 - New Delhi:   APH Publishing ,   2012. 
 - 254p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anthropogenic<br/>Bio Fuel<br/>Dysdercus Koenigii<br/>Economics 
<br/><br/><label>Dewey Class. No.: </label>333.7  / SIN/E