HARAHAP, H. K. Implementation of Citizenship Education Learning to Improve Cognitive Abilities and Social Concern in Children. International Journal of Students Education, [S. l.], v. 3, n. 1, p. 93–98, 2024. Disponível em: https://journal.berpusi.co.id/index.php/IJoSE/article/view/1024. Acesso em: 2 aug. 2025.