Chatchai Pongprayoon, 1936- <br/><br/>
Determinants of crop choice  a case study of farmer's behavior in the Kampaeng Sean irrigation project, Thailand /  [microform] : 
by Chatchai Pongprayoon 
 - Ann Arbor, Mich. :  University Microfilms International,  1979 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Southearn Illinois University at Carbondale, 1979 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Thailand