Sociolinguistics /
Sociolinguistics / Yaowalak Yim-on ; Bankok University, School of Humanity - 3rd rev. ed. - Bangkok : Texts and Instructional Materials Department, The Univ., 2005 - 166 p. : ill.
Includes bibliographical references
9742191204
SOCIOLINGUISTICS
P40.4 .T5 / Y368S 2005