Marta, E.
(2019).
Implementasi Pengembangan Bahan Ajar Menggunakan Model Problem Based Learning Terhadap Aktivitas Siswa Di Kelas V Sekolah Dasar.
Indonesian Journal Of Basic Education, 1(3), 291 - 295.
Retrieved from https://e-jurnal.stkiprokania.ac.id/index.php/IJOBE/article/view/208