Permadi AS, Oktariana D. Efektivitas Pembelajaran Menggunakan Model Problem Based Learning Berbantuan Powerpoint: Learning Effectiveness Using Powerpoint Assisted Problem Based Learning Model. Bitnet J Pendidikan Teknologi Informasi [Internet]. 2022Sep.24 [cited 2025Apr.10];7(2):19-23. Available from: https://ojs.umpr.ac.id/bitnet/article/view/4059