RISKA ALFANA PETINGKO; BAHARUDDIN PALOLOANG; EVIE AWUY. PENERAPAN MODEL PROBLEM BASED LEARNING PADA MATERI KELILING DAN LUAS DAERAH LAYANG-LAYANG . Jurnal Elektronik Pendidikan Matematika Tadulako, [S. l.], v. 7, n. 3, p. 254-264, 2020. Disponível em: https://jurnalfkipuntad.com/index.php/jpmt/article/view/532. Acesso em: 15 aug. 2025.