SIREGAR, L. D. Approach to the Development of PKn In Indonesia After the Proclamation of Independence. International Journal of Students Education, [S. l.], v. 3, n. 1, p. 48–485, 2024. Disponível em: https://journal.berpusi.co.id/index.php/IJoSE/article/view/1122. Acesso em: 21 aug. 2025.