Wit Thiengburanathum,  1943- <br/><br/>
An analysis of Thai opium production  [microform]  / 
by Wit Thiengburanathum 
 - Ann Arbor, Mich. :  University Microfilms International,  1976 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - University of Iowa, 1976 
<br/><br/><label>ISBN: </label>Y910040387 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opium trade--Thailand