Setiawibawa, R., Subagia, D. and Timur, F.G.C. 2026. Strengthening the Foundations of Nationalism in the Digital Era: Threats, Challenges, and Indonesia’s Strategy Towards 2045. International Journal of Science and Society. 8, 1 (Apr. 2026), 376-389. DOI:https://doi.org/10.54783/ijsoc.v8i1.1647.