HASIBUAN, S. F. Building National Character Through PKn Learning in Elementary School. International Journal of Students Education, [S. l.], v. 3, n. 1, p. 307–312, 2024. Disponível em: https://journal.berpusi.co.id/index.php/IJoSE/article/view/1072. Acesso em: 20 aug. 2025.