A learning environment for externalizing procedural knowledge in problem solving: A preliminary trial for tutoring problem posing skills. - Kazuhisa Miwa; Kazuya Shibayama; Hitoshi Terai (ICCE, 2015)

Understanding Procedural Knowledge for Solving Arithmetic Task by Externalization. - Kazuhisa Miwa; Hitoshi Terai; Kazuya Shibayama (ITS, 2016)