Jatuporn Khahua. 2003. A study of speech act patterns of requests in Thai society. Field of Study Linguistics, Mahidol University;
Jatuporn Khahua. (2003) A study of speech act patterns of requests in Thai society . Mahidol University/Bangkok.
Jatuporn Khahua. A study of speech act patterns of requests in Thai society. . Bangkok:Mahidol University, 2003.
Jatuporn Khahua. (2003) A study of speech act patterns of requests in Thai society . Mahidol University/Bangkok.