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Rina Yano, Hiroki Tanioka, Kenji Matsuura, Masahiko Sano, Tetsushi Ueta. Quantitative Measurement and Analysis to Thinking as a Way of Programming for Elementary School in Japan. Proceedings - 2020 9th International Congress on Advanced Applied Informatics, IIAI-AAI 2020. 2020. 163-168
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