KAMINISHI, HIDEKAZU, and MASAO MUROTA. “DEVELOPMENT AND EVALUATION OF A NEW PRESENTATION SOFTWARE PROGRAM (CODEX) FOR TEACHING PROGRAMMING CODE”. Research and Practice in Technology Enhanced Learning 6, no. 2 (July 1, 2011): 83–106. Accessed May 13, 2024. https://rptel.apsce.net/index.php/RPTEL/article/view/2011-06006.