Pengkaew, P., and S. . Boonbrahm. “Learning to Program Repetition Structures with Augmented Reality Technology”. Journal of Human and Society, Sisaket Rajabhat University, vol. 7, no. 1, June 2023, pp. 145-61, https://so08.tci-thaijo.org/index.php/jhuso/article/view/714.