Manee Yuenyongkul. 2010. An analysis of language change of this generation of hmong youth in sobped village, thawangpha district, nan province. , Chiangrai Rajabhat University;
Manee Yuenyongkul. (2010) An analysis of language change of this generation of hmong youth in sobped village, thawangpha district, nan province . Chiangrai Rajabhat University/Chiangrai.
Manee Yuenyongkul. An analysis of language change of this generation of hmong youth in sobped village, thawangpha district, nan province. . Chiangrai:Chiangrai Rajabhat University, 2010.
Manee Yuenyongkul. (2010) An analysis of language change of this generation of hmong youth in sobped village, thawangpha district, nan province . Chiangrai Rajabhat University/Chiangrai.