Rung Kaewdang,  1944- <br/><br/>
Elementary school principal role perception and school effectivess in Thailand  [microform] / 
by Rung Kaewdang 
 - Ann Arbor, Mich. :  University Microfilms International,  1977 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - State University of New York at Buffalo, 1977 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School superintendents and principals--Thailand