DARMO, Budi. PENGARUH PROBLEM BASE LEARNING (PBL) DAN SIKAP ILMIAH TERHADAP HASIL BELAJAR FISIKA SISWA SMA. Joint Prosiding IPS dan Seminar Nasional Fisika, [S. l.], v. 3, p. 239–242, 2014. Disponível em: https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5514. Acesso em: 31 may. 2026.