Yamashita, K. ., R. . Fujioka, S. . Kogure, Y. . Noguchi, T. . Konishi, and Y. . Itoh. “Classroom Practice for Understanding Pointers Using Learning Support System for Visualizing Memory Image and Target Domain World”. Research and Practice in Technology Enhanced Learning, vol. 12, Sept. 2017, https://rptel.apsce.net/index.php/RPTEL/article/view/2017-12017.