Phromphet, Nuttatida, Wanida Pharanat, and Saman Ekphim. 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):223-35. https://so03.tci-thaijo.org/index.php/reru/article/view/252242.