Siriphatcharachot , Phanphim, et al. “High School Student Creativity, Innovation, and Teamwork Skills from Teacher’s Perspective: A Second-Order Confirmatory Factor Analysis”. International Journal of Instruction, vol. 18, no. 1, Jan. 2025, pp. 39-60, https://e-iji.net/ats/index.php/pub/article/view/682.