Sirichokchaitrakool, S. “Creative and Productive Teaching: Instructional Model for Developing Learners in the 21st Century”. Ratchaphruek Journal, vol. 19, no. 1, Apr. 2021, pp. 1-11, https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/248420.