Calavan, Michael Merle <br/><br/>
Decisions against nature  crop choice in a Northern Thailand village /  [microform] : 
by Michael Merle Calavan 
 - Ann Arbor, Mich. :  University Microfilms International,  1974 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) _ University of Illinois, 1974 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Thailand