SURVIVAL ANALYSIS OF THE FIRST JOB WAITING TIME FOR GRADUATES USING THE COX PROPORTIONAL HAZARD MODEL BASED ON THE MAXIMUM LIKELIHOOD ESTIMATION PRINCIPLE: SURVIVAL ANALYSIS OF THE FIRST JOB WAITING TIME FOR GRADUATES USING THE COX PROPORTIONAL HAZARD MODEL BASED ON THE MAXIMUM LIKELIHOOD ESTIMATION PRINCIPLE. Fraction: Jurnal Teori dan Terapan Matematika, [S. l.], v. 2, n. 2, p. 74–82, 2022. DOI: 10.33019/fraction.v2i2.41. Disponível em: https://update.fraction.ubb.ac.id/index.php/fraction/article/view/41. Acesso em: 17 apr. 2026.