Phromphet, N., Pharanat, W. and Ekphim, S. (2022) “The Development of Creative Artistic Abilities in Painting by using the Flipped Classroom of Grade 8 Students”, Journal of Roi Et Rajabhat University, 16(3), pp. 223–235. available at: https://so03.tci-thaijo.org/index.php/reru/article/view/252242 (accessed: 17 April 2025).