Yamashita, K. ., Nagao, T. ., Kogure, S. ., Noguchi, Y. ., Konishi, T. . and Itoh, Y. . (2016) “Code-reading support environment visualizing three fields and educational practice to understand nested loops”, Research and Practice in Technology Enhanced Learning, 11. Available at: https://rptel.apsce.net/index.php/RPTEL/article/view/2016-11003 (Accessed: 2 May 2024).