Satyahadewi, N., H. Retnani, H. Perdana, R. Tamtama, and S. Aprizkiyandari. “PREMIUMS CALCULATION OF TERMINAL ILLNESS INSURANCE”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 17, no. 2, June 2023, pp. 0913-8, doi:10.30598/barekengvol17iss2pp0913-0918.