Juniarti, Anita, Zingiswa Jojo, and Rully Charitas Indra Prahmana. “Designing the Learning Trajectory for the Topic of Circles through a Tambourine Context”. Journal of Honai Math 5, no. 1 (March 11, 2022): 29–46. Accessed May 12, 2026. https://journalfkipunipa.org/index.php/jhm/article/view/239.