Hudaipah, Ade. “Peningkatan Hasil Belajar Siswa Sekolah Dasar Melalui Penerapan Model Problem Based Learning”. Jurnal Educatio FKIP UNMA, vol. 7, no. 3, July 2021, pp. 694-9, doi:10.31949/educatio.v7i3.1194.