YUNINA Y. PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN MOTIVASI BELAJAR SISWA KELAS XI IPA 1 MATERI FLUIDA DINAMIS DI SMAN 1 CIKARANG BARAT. science [Internet]. 2022Dec.20 [cited 2026Mar.17];2(4):504-10. Available from: https://www.jurnalp4i.com/index.php/science/article/view/1769