GUNAWAN, I. K. A.; RATI, N. W.; SUDATHA, I. G. W. Model Problem Based Learning Meningkatkan Hasil Belajar IPA Siswa Sekolah Dasar. Mimbar Pendidikan Indonesia, [S. l.], v. 2, n. 2, p. 74–82, 2022. DOI: 10.23887/mpi.v2i2.40172. Disponível em: https://ejournal.undiksha.ac.id/index.php/JIPI2/article/view/40172. Acesso em: 12 may. 2024.