DJVU PDF Bradley, D. 1992, "Language policy for minority languages in Thailand and China", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 921-928. Chulalongkorn University. cite.
DJVU PDF Tadmor, U. 1992, "The Malay dialects of Central Thailand: a preliminary survey", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 1367-1378. Chulalongkorn University. cite.