Santhong , C. ., and K. . Khuvasanond. “Effects of English Vocabulary-Based Learning Activity Management by Using the Design Thinking Process towards English Vocabulary Ability of the 5th Grade Students”. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, vol. 17, no. 1, May 2022, pp. 99-107, https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/252092.