Heady, Earl Orel. <br/><br/>
Economic models and quantitative methods for decisions and planning in agriculture 

 - Ames :  Iowa State University,  1971 
 - 518 .p. 
<br/><br/><label>LCCN: </label>12902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Aspectos económicos.<br/>Política agrícola.<br/>Política económica.
<br/><br/><label>Dewey Class. No.: </label>338.1  / H44