Oktavia, Grace, Fida Fathiyah Addini, and Dedy Irawan Prihandoko. “Analisis Perhitungan Retensi Optimal Reasuransi Stop Loss Dengan Metode Value at Risk (VaR)”. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika 7, no. 1 (January 21, 2024): 113–121. Accessed July 8, 2025. https://www.e-journal.my.id/proximal/article/view/3322.