An Analysis of Internal and External Factors Affecting Students’ Responsibility Values through the PPKn Subject in Grade 5 at SD Negeri 2 Tambakrigadung. tematik [Internet]. 2025 Aug. 31 [cited 2026 Mar. 15];14(1):72-6. Available from: https://jurnal.unimed.ac.id/2012/index.php/tematik/article/view/68267