Zahra, K. A., Kautsar, F. A. and Ilma, A. F. N. (2026) “ Optimizing Strategic Economic Pillars for National Resilience: A Study on the Impact of Trump’s 19% Tariff on Indonesia’s Economic Stability”, The International Journal of Financial Systems, 3(2), pp. 213–236. doi: 10.61459/ijfs.v3i2.94.