Sari, N., A. Kurniawan, and E. Ana. “MODELING EMPLOYEE RESIGNATION USING A SEMIPARAMETRIC APPROACH COX PROPORTIONAL HAZARD”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 18, no. 4, Oct. 2024, pp. 2471-8, doi:10.30598/barekengvol18iss4pp2471-2478.