Opper, Phyllis Sylvia. <br/><br/>
Intellectual development in Thai children  [microform] / 
Phyllis Sylvia Opper. 
 - Ann Arbor, Mich. :  University Microfilms International,  1971. 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Cornell University, 1971. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child development--Thailand.