Amnouychokanant, V., S. Boonlue, S. Chuathong, and K. Thamwipat. “Developing Computational Thinking of Freshmen Using Block-Based Programming and Project-Based Learning”. International Journal of Educational Communications and Technology, vol. 1, no. 1, Dec. 2021, pp. 1-13, https://ph01.tci-thaijo.org/index.php/IJECT/article/view/247753.