Ardiansyah, Dicky, Tatag Yuli Eko Siswono, Novita Vindri Harini, and Limalin Heng. “Creative Thinking Ability of Junior High School Students in Solving Open-Ended Problems on Plane Geometry”. Journal of the Indonesian Mathematics Education Society 3, no. 2 (October 31, 2025): 88–96. Accessed November 17, 2025. https://journal.unesa.ac.id/index.php/jimes/article/view/41575.