MURWANTONO, Murwantono; SUKIDJO, Sukidjo. PENINGKATAN HASIL BELAJAR IPS DENGAN MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA STIMULAN GAMBAR. Harmoni Sosial: Jurnal Pendidikan IPS, [S. l.], v. 2, n. 1, p. 30–41, 2015. DOI: 10.21831/hsjpi.v2i1.4601. Disponível em: https://jurnal.uny.ac.id/index.php/hsjpi/article/view/4601. Acesso em: 15 may. 2025.