Gunawan, K. et al. 2026. A Predictive Framework for Transition ProbabilityShifts Using Environmental Data Via Lee-CarterModel Extension. (IJCSAM) International Journal of Computing Science and Applied Mathematics. 12, 2 (Oct. 2026), 96–110. DOI:https://doi.org/10.12962/j24775401.ijcsam.v12i2.10834.