Ulfiani, Ibnu Hadjar, and I Nyoman Murdiana. “PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI ARITMATIKA SOSIAL ”. Jurnal Elektronik Pendidikan Matematika Tadulako 7, no. 3 (March 22, 2020): 278-290. Accessed June 22, 2025. https://jurnalfkipuntad.com/index.php/jpmt/article/view/534.