Hima, L. R., Nusantara, T., Hidayanto, E. and Rahardjo, S. (2019) “Changing in Mathematical Identity of Elementary School Students through Group Learning Activities”, International Electronic Journal of Elementary Education, 11(5), pp. 461–469. Available at: https://iejee.com/index.php/IEJEE/article/view/829 (Accessed: 8September2024).