Riska Alfana Petingko, Baharuddin Paloloang, & Evie Awuy. (2020). PENERAPAN MODEL PROBLEM BASED LEARNING PADA MATERI KELILING DAN LUAS DAERAH LAYANG-LAYANG . Jurnal Elektronik Pendidikan Matematika Tadulako, 7(3), 254-264. Retrieved from https://jurnalfkipuntad.com/index.php/jpmt/article/view/532