PUTRI, D. P. S.; WIARTA, I. W. . E-Book Interaktif Berbasis Problem Based Learning Materi Sejarah Kerajaan di Nusantara pada Mata Pelajaran IPAS Kelas IV Sekolah Dasar. Jurnal Ilmiah Pendidikan Profesi Guru, [S. l.], v. 5, n. 3, p. 502–513, 2023. DOI: 10.23887/jippg.v5i3.57747. Disponível em: https://ejournal.undiksha.ac.id/index.php/JIPPG/article/view/57747. Acesso em: 25 dec. 2024.