El Moutaki, Nada, Kettani Youssfi, Rachidi Mustapha, and Kaicer Mohammed. 2025. “ The Sensitivity Analysis of Multistate Pension Projections Based on a Vec-Permutation Approach”. Statistics, Optimization & Information Computing 15 (3), 1708-40. https://doi.org/10.19139/soic-2310-5070-2832.