Prayoon Arsanam,  1942- <br/><br/>
The development and investigation of a mathematics methods course for prospective elementary teachers in Thailand  [microform] / 
Prayoon Arsanam 
 - Ann Arbor, Mich. :  University Microfilms International,  1977 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Pennsylvania State University, 1976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching--Thailand