Permadi, Ade Salahudin, and Devita Oktariana. “Efektivitas Pembelajaran Menggunakan Model Problem Based Learning Berbantuan Powerpoint: Learning Effectiveness Using Powerpoint Assisted Problem Based Learning Model”. Bitnet: Jurnal Pendidikan Teknologi Informasi 7, no. 2 (September 24, 2022): 19–23. Accessed April 29, 2024. https://journal.umpr.ac.id/index.php/bitnet/article/view/4059.