Ogawara, W. ., Tsubaki, M. . and Nagamori, N. . (2018) “A Study on Analysing Speaking-pen Learning Log Data Considering Interests for Improvement of Primary School Children’s English Ability”, International Journal of Learning, Teaching and Educational Research, 17(1), pp. 104–132. Available at: https://ijlter.net/index.php/ijlter/article/view/712 (Accessed: 9 September 2026).