Sripunvoraskul R, Panpothong N. Production of Routine Formulae by Chinese Learners of Thai:: An Interlanguage Pragmatic Study. J. Lett. [internet]. 2024 Dec. 26 [cited 2026 Sep. 2];53(2):69-90. available from: https://so03.tci-thaijo.org/index.php/jletters/article/view/275020