Qotrunnada, F. M. ., Budiyanto, S. ., & Wadjdi, A. F. . (2025). Predictive Analysis of The National Defense Index (IBN) on National Resilience Using Classification and Regression Trees (CART) Method . Formosa Journal of Science and Technology, 4(1), 477–488. https://doi.org/10.55927/fjst.v4i1.13271