Matsuda, N. ., Ogawa, H. ., Hirashima, T. . and Taki, H. . (2015) “A generating technique and knowledge representation of multiple-answer problems for learning with solving knowledge”, Research and Practice in Technology Enhanced Learning, 10. Available at: https://rptel.apsce.net/index.php/RPTEL/article/view/2015-10006 (Accessed: 4 May 2024).