HARAHAP, A. History of the Youth Pledge in Citizenship Education (PKn) Learning. International Journal of Students Education, [S. l.], v. 3, n. 1, p. 519–521, 2024. Disponível em: https://journal.berpusi.co.id/index.php/IJoSE/article/view/1139. Acesso em: 2 aug. 2025.