Khasanah, U., F. Fatkhurrohman, and F. Fatiatun. “Penerapan Model Problem Based Learning Untuk Meningkatkan Hasil Belajar IPA Siswa MTs Ma’arif Bakalan: Application of the Problem Based Learning Model to Improve Science Learning Outcomes for MTs Ma’arif Bakalan Students”. Edu-Sains: Jurnal Pendidikan Matematika Dan Ilmu Pengetahuan Alam, vol. 12, no. 1, Jan. 2023, pp. 20-26, doi:10.22437/jmpmipa.v12i1.26474.