Hima, Lina Rihatul, Toto Nusantara, Erry Hidayanto, and Swasono Rahardjo. “Changing in Mathematical Identity of Elementary School Students through Group Learning Activities”. International Electronic Journal of Elementary Education 11, no. 5 (July 1, 2019): 461–469. Accessed August 5, 2026. https://www.iejee.com/index.php/IEJEE/article/view/829.