Nishikawa, Tomoko, and Guido Izuta. “Assessing the Attitudes of Japanese Junior High School Students towards Course Units of Mathematics: A Focus on Learners With ’No Problem’ Feeling about Studying the Subject”.
EDUCATUM Journal of Science, Mathematics and Technology, vol. 6, no. 1, June 2019, pp. 15-28,
https://doi.org/10.37134/ejsmt.vol6.1.3.2019.