Makmee, Pattrawadee. “Development of learning and innovation skills assessment criteria for upper secondary school students: A multilevel confirmatory factor analysis using mixed-method design”. Kasetsart Journal of Social Sciences 42, no. 2 (April 30, 2021): 319–324. accessed September 11, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/251201.