Istiyani, Ratna, Arif Muchyidin, and Hendri Raharjo. “Analysis of Student Misconception on Geometry Concepts Using Three-Tier Diagnostic Test”. Jurnal Cakrawala Pendidikan 37, no. 2 (July 9, 2018). Accessed June 2, 2025. https://journal.uny.ac.id/index.php/cp/article/view/14493.