Field, Barry C. <br/><br/>
Environmental economics :  an introduction / 
Barry C. Field and Martha K. Field. 
 - 4th ed. 
 - Boston :  McGraw-Hill/Irwin,  c2006. 
 - xxi, 503 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0073137510  TZS 10,000/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental economics.<br/>Economic development
<br/><br/><label>Dewey Class. No.: </label>333.7 FIE