Prayoon Thapnuan <br/><br/>
The preparation of inexpensive audiovisual teaching materials  a course for teachers at teachers colleges in Thailand /  [microform] : 
Prayoon Thapnuan 
 - Ann Arbor, Mich. :  University Microfilms International,  1982 
 - 2 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-University of Northern Colorado, 1981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching<br/>Audio-visual materials