Roll No. 155 <br/><br/>
Study of the problems that adversely affect instruction in the secondary schools in educational region one Thailand. 

 -  1976 
<br/><br/><label>Standard No.: </label>13395 
<br/><br/><label>Source: </label> Dissertations 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION