Ratanaburi, Opas. <br/><br/>
A theoretical design for preparing instruction in the use of questioning teachniques to teach English as a foreign language / 
by Opas Ratanaburi. 
 - Austin :  The University of Texas,  1979. 
 - 157 pages ;  21 cm. 
<br/><br/>Thesis (Ph.D) - The University of Texas. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Audio--visual aids.<br/>English language--Study and teaching--Foreign students.