Putri F, Satiti W, Rohmah H. PENERAPAN PROBLEM BASED LEARNING PADA MATERI PERTIDAKSAMAAN RASIONAL PADA SISWA KELAS X MA. epic [Internet]. 4Feb.2020 [cited 23Feb.2025];1(4):161 -166. Available from: http://ojs.unwaha.ac.id/index.php/epic/article/view/164