Sari, K., R. Deautama, and A. Febrisutisyanto. “THE BENEFITS OF FAMILY ANNUITY CALCULATION WITH VINE’S COPULA AND FUZZY INTEREST RATE”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 17, no. 4, Dec. 2023, pp. 2461-70, doi:10.30598/barekengvol17iss4pp2461-2470.