Ardiyanto, Bagas, Gunawan, Maryam Abdulloh, and Safrilia Septiasari. “Analysis of Student Problem-Solving Ability Topics 3D Reviewed from Geometry Thinking Level”. Proceeding International Conference on Science and Engineering 3 (April 30, 2020): 525–530. Accessed July 30, 2026. https://www.sunankalijaga.org/prosiding/index.php/icse/article/view/556.