Heady, Earl Orel,  1916- <br/><br/>
Economic models and quantitative methods for decisions and planning in agriculture :  Proceedings of an east-west seminar. 

 - 518 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura<br/>Administración de granjas
<br/><br/><label>LC Class. No.: </label>S561  / H38