Ali A, Setiawan DT, Taryudi T. Problem Based Learning: Meningkatan Kemampuan Penalaran Matematis Siswa SMK Berdasarkan Motivasi Belajar. PJME [Internet]. 2022May31 [cited 2024Jul.22];12(1):1-14. Available from: https://journal.unpas.ac.id/index.php/pjme/article/view/5292