Wattanarat, Sujin. “A Flipped Classroom with a Demonstration to Enhance Art Creation of Upper Secondary School Students”. Journal of Education Studies, Chulalongkorn University 48, no. 4 (December 30, 2020): 336–351. accessed September 10, 2026. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/246449.