Metode Pembelajaran Kooperatif Tipe Numbered Snowball Throwing Pada Materi Gelombang Transversal dan Gelombang Longitudinal. Radiasi : Jurnal Berkala Pendidikan Fisika, [S. l.], v. 6, n. 1, p. 71–81, 2015. Disponível em: https://jurnal.umpwr.ac.id/index.php/radiasi/article/view/281. Acesso em: 1 sep. 2026.