SIPAHUTAR, M.; TONI, T.; JUNITA, J. The influence of the formation of national spirit character in increasing the nationalistic attitude of class XI 3 students of Kemala Bhayangkari Rantauprapat private high school. EDUCTUM: Journal Research, [S. l.], v. 5, n. 2, p. 184–195, 2026. DOI: 10.56495/ejr.v5i2.1514. Disponível em: https://jurnal.larisma.or.id/index.php/EJR/article/view/1514. Acesso em: 15 mar. 2026.