Meryansumayeka, Zulkardi, Ratu Ilma Indra Putri, and Cecil Hiltrimartin. 2024. “Students’ Strategies in Solving PISA Mathematical Problems Reviewed from Problem-Solving Strategies”. Jurnal Pendidikan Matematika 15 (1):37-48. https://jpm.ejournal.unsri.ac.id/index.php/jpm/article/view/203.