Chiras, Daniel D. <br/><br/>
Natural resource conservation / 
By Daniel D Chiras, John P Reganold. 
 - 10th ed. 
 - New Jersey :  Pearson Educations Inc,  2010. 
 - 659p. ;  00 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS.
<br/><br/><label>Dewey Class. No.: </label>333.72  / CHI