*, Abdul Rahim, Sunarso. Pengaruh Penggunaan Model Project Based Learning Dan Problem Based Learning Terhadap Prestasi Belajar PPKn Di SMP. SOCIA: Jurnal Ilmu-Ilmu Sosial, [S. l.], v. 14, n. 2, 2017. DOI: 10.21831/socia.v14i2.17645. Disponível em: https://journal.uny.ac.id/index.php/sosia/article/view/17645. Acesso em: 7 may. 2025.