Yaowalak Yim-On. <br/><br/>
Sociolinguistics 

 - 2nd rev. ed. 
 - Bangkok :  Texts and Instructional Materials Department, The Univ.,  2000 
 - 160 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLINGUISTICS
<br/><br/><label>LC Class. No.: </label>P40.4 .T5  / Y368S 2000