Linda, Linda, and Ira Asyura. “Students’ Mathematical Reasoning Ability in Solving Post-Covid-19 PISA Model Math Problems”. Jurnal Riset Pendidikan Matematika 8, no. 2 (November 30, 2021): 140–152. Accessed June 8, 2025. https://jurnal.uny.ac.id/index.php/jrpm/article/view/44739.