©2013 National Research Council of Thailand
Sa-ard Phromthong. 1996. The relationship between language use and language attitude in Kuy community in Uthumphornphisai, Srisaket. Faculty of Graduate Studies, Mahidol University;
Sa-ard Phromthong. (1996) The relationship between language use and language attitude in Kuy community in Uthumphornphisai, Srisaket . Mahidol University/Bangkok.
Sa-ard Phromthong. The relationship between language use and language attitude in Kuy community in Uthumphornphisai, Srisaket. . Bangkok:Mahidol University, 1996.
Sa-ard Phromthong. (1996) The relationship between language use and language attitude in Kuy community in Uthumphornphisai, Srisaket . Mahidol University/Bangkok.