Zulkarnain, Ihwan. “engaruh odel embelajaran roblem ased earning erhadap emampuan emecahan asalah atematika”. PTK: Jurnal Tindakan Kelas 4, no. 1 (November 30, 2023): 149–157. ccessed October 23, 2026. https://jurnal.ciptamediaharmoni.id/ptk/article/view/298.