1.
Nasrullah A, Marsigit M. Keefektifan problem posing dan problem solving ditinjau dari ketercapaian kompetensi, metode, dan sikap matematis. Pythagoras [Internet]. 2016 Dec. 6 [cited 2025 Jul. 12];11(2):123-35. Available from: https://journal.uny.ac.id/index.php/pythagoras/article/view/11180