MADYARINI, Dyan Desi; GAFUR, Abdul. KOMPARASI MODEL PEMBELAJARAN PORTOFOLIO DAN PBL TERHADAP HASIL BELAJAR IPS DI SMPN KECAMATAN SEWON. Harmoni Sosial: Jurnal Pendidikan IPS, [S. l.], v. 2, n. 2, p. 126–134, 2015. DOI: 10.21831/hsjpi.v2i2.7664. Disponível em: https://journal.uny.ac.id/index.php/hsjpi/article/view/7664. Acesso em: 19 may. 2025.