Manullang, S., Sinaga, M. S., Sinambela, P. N. J. M., & Nadya, F. (2026). SURVIVAL ANALYSIS OF CORONARY HEART DISEASE PATIENTS USING THE KAPLAN-MEIER METHOD AND COX PROPORTIONAL HAZARDS REGRESSION (BRESLOW METHOD). BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 20(3), 2213-2228. https://doi.org/10.30598/barekengvol20iss3pp2213-2228