Rokhana S. PENINGKATAN MOTIVASI DAN HASIL BELAJAR SISWA MELALUI MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA VIDEO TUTORIAL DI SMK NEGERI 2 MAGELANG. Dharma [Internet]. 2021 May 7 [cited 2024 Sep. 27];4(1):120-7. Available from: https://ejournal.akprind.ac.id/index.php/dharma/article/view/3509