Chamsuwanwong, N. (2009) “Analysis of Interrogative Sentence as Indirect Speech Act in Mandarin and Thai ”, Journal of Sinology (วารสารจีนวิทยา), 3, pp. 74–97. available at: https://so16.tci-thaijo.org/index.php/JSINO/article/view/2751 (accessed: 3 December 2025).