Interaction support systems between teachers and visual content for effortless creation of program visualization. - Koichi Yamashita; Miyu Suzuki; Yusuke Kito; Yusuke Suzuki; Satoru Kogure; Yasuhiro Noguchi; Raiya Yamamoto; Tatsuhiro Konishi; Yukihiro Itoh (Res. Pract. Technol. Enhanc. Learn., 2023)