Tamaki, Tatsuhiro, Atsushi Onishi, Yasuo Uchida, & Hironori Kobayashi. " AN ATTEMPT AT ELEMENTARY SCHOOL LEVEL PROGRAMMING EDUCATION UTILIZING WASAN, TRADITIONAL JAPANESE MATHEMATICS." International Journal of Education and Pedagogy [Online], 4.3 (2022): 241-252. Web. 17 Jul. 2024