Sor-Wasna Pravalpruk, 1942- <br/><br/>
Comparison among teachers in Khon Kaen, Thailand to determine their testing needs  [microform] / 
by Sor-Wasna Pravalpruk 
 - Ann Arbor, Mich. :  University Microfilms International,  1975 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Michigan State University, 1974 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teachers--Training of--Thailand<br/>Teachers--In--service training--Thailand