Permadi, A. S. and Oktariana, D. (2022) “Efektivitas Pembelajaran Menggunakan Model Problem Based Learning Berbantuan Powerpoint: Learning Effectiveness Using Powerpoint Assisted Problem Based Learning Model”, Bitnet: Jurnal Pendidikan Teknologi Informasi, 7(2), pp. 19–23. doi: 10.33084/bitnet.v7i2.4059.