Chankua, Raweewan, and Khemruthai Boonwan. “Speech Act of Invitation for Community-Based Tourism in Foodwork”. Journal of Humanities and Social Sciences Nakhon Pathom Rajabhat University 12, no. 1 (June 29, 2022): 1–16. Accessed April 26, 2024. https://so07.tci-thaijo.org/index.php/HUSO-J/article/view/1381.