Matchimawan Suwanawat Language use and language attitude of Plang ethnic group in Ban Huay Nam Khun, Chiang-Rai province. Thesis (M.A. (Linguistics))--Mahidol University, 2003. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/107576
Title
Language use and language attitude of Plang ethnic group in Ban Huay Nam Khun, Chiang-Rai province