NUGRAHENI, Beti; RELMASIRA, Stefanus C. UPAYA MENINGKATKAN HASIL BELAJAR IPA MELALUI MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA GAMBAR PADA SISWA KELAS IV. Jurnal Pendidikan Dasar, [S. l.], v. 8, n. 1, 2017. Disponível em: https://journal.unj.ac.id/unj/index.php/jpd/article/view/5336. Acesso em: 27 dec. 2024.