Suprihatiningsih, Siti, Ari Suningsih, Rizki Kurniawan Rangkuti, Muhammad Firman Annur, and Erwin Erwin. 2025. “Development of Geometry Problem-Solving Task Instrument to Identify Critical Thinking of Junior High School Learners”. Radian Journal: Research and Review in Mathematics Education 4 (4):144-57. https://doi.org/10.35706/radian.v4i4.13207.