Nidaporn Kreuwong. 2011. A study of code switching between northeastern Thai and standard Thai in the students and the teacher interaction : a case study of ban wangpha school, phadaet district, Chiangrai province Northeastern Ban Wangpha school Phadaet district. , Chiang Rai Rajabhat University;
Nidaporn Kreuwong. (2011) A study of code switching between northeastern Thai and standard Thai in the students and the teacher interaction : a case study of ban wangpha school, phadaet district, Chiangrai province Northeastern Ban Wangpha school Phadaet district . Chiang Rai Rajabhat University/Chiangrai.
Nidaporn Kreuwong. A study of code switching between northeastern Thai and standard Thai in the students and the teacher interaction : a case study of ban wangpha school, phadaet district, Chiangrai province Northeastern Ban Wangpha school Phadaet district. . Chiangrai:Chiang Rai Rajabhat University, 2011.
Nidaporn Kreuwong. (2011) A study of code switching between northeastern Thai and standard Thai in the students and the teacher interaction : a case study of ban wangpha school, phadaet district, Chiangrai province Northeastern Ban Wangpha school Phadaet district . Chiang Rai Rajabhat University/Chiangrai.