Heriyah J, Mellawaty M, Misbahussurur M. MODEL PROBLEM BASED LEARNING MENINGKATKAN HASIL BELAJAR DAN MOTIVASI SISWA MATERI MATRIKS. arsip [Internet]. 2024Jan.15 [cited 2024Jul.27];5(1):9-16. Available from: https://prosiding.biounwir.ac.id/article/view/245