Santhong , Chanida, and Kirati Khuvasanond. 2022. “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 17 (1):99-107. https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/252092.