PENGARUH PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR IPA SISWA KELAS 3 SEKOLAH DASAR. Jurnal Tunas Pendidikan, [S. l.], v. 8, n. 2, p. 440–447, 2026. DOI: 10.52060/pgsd.v8.i2.3325. Disponível em: https://ejournal.ummuba.ac.id/index.php/pgsd/article/view/3325. Acesso em: 12 mar. 2026.