Shiferaw, B. <br/><br/>
Natural resources management in agriculture :  methods for assessing economic and environmental impacts 
/ by B. Shiferaw [et all....] 
 - UK :  CABI Publishing,  2005. 
 - xv, 382 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>9780851998282 
<br/><br/><label>Dewey Class. No.: </label>338.1 SHI