Qoyyimi, Danang, and Rifki Utama. 2023. “ADAPTED PRESTON’S CURVE: A PROXY METHOD FOR LONGEVITY RISK ANALYSIS ON INDONESIAN PENSION PLAN”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan 17 (2), 0895-0902. https://doi.org/10.30598/barekengvol17iss2pp0895-0902.