Efektivitas Model Double Loop Problem Solving Terhadap Sikap Ilmiah Siswa SMA Negeri 7 Purworejo Tahun Pelajaran 2016/2017. Radiasi : Jurnal Berkala Pendidikan Fisika, [S. l.], v. 10, n. 1, p. 18–23, 2017. Disponível em: https://jurnal.umpwr.ac.id/index.php/radiasi/article/view/184. Acesso em: 1 sep. 2026.