Field, Barry C. <br/><br/>
Environmental economics :  an introduction / 
Barry C. Field, Martha K. Field. 
 - 4th  ed. 
 - Boston :  McGraw-Hill,  2006. 
 - xxi, 503  p. 
<br/><br/><label>ISBN: </label>0071255850 :  KES 1750 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental economics.<br/>Economic development--Environmental aspects.