PRAYITNO, T. B. TEORI GAUGE DAN GRUP SIMETRI INTERNAL. Joint Prosiding IPS dan Seminar Nasional Fisika, [S. l.], v. 1, n. 1, p. 25–31, 2012. Disponível em: https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/6146. Acesso em: 30 may. 2026.