Perdaus and A. N. Fradana, “Poster Media Fosters National Unity Mastery In Elementary Pancasila Education: Media Poster Menumbuhkan Penguasaan Kesatuan Nasional Pada Pendidikan Pancasila Dasar”, ijemd, vol. 21, no. 4, p. 10.21070/ijemd.v21i4.1175, Sep. 2026.