Anggun Lilis Hildawati, Yohanes, and Sukur. “PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA KELAS VIII SMP NEGERI 14 MERANGIN”. Hiradika | Hira Institute, vol. 1, no. 1, Apr. 2024, pp. 1-7, https://jurnal.penerbithira.com/index.php/hiradika/article/view/1.