Problem-based civics learning to improve the argumentation skills of students of elementary school 2 handapherang. Indonesian Journal of Primary Education, [S. l.], v. 9, n. 1, p. 109–116, 2025. Disponível em: https://ejournal-tasikmalaya.upi.edu/ijpe/article/view/411. Acesso em: 12 nov. 2026.