RAHAYU, Ayu. Kaplan–Meier Survival Analysis of Breast Cancer Patients by Estrogen Receptor Status. ARRUS Journal of Mathematics and Applied Science, [S. l.], v. 6, n. 1, p. 58–68, 2026. DOI: 10.35877/mathscience4862. Disponível em: https://journal.arrus.id/index.php/mathscience/article/view/4862. Acesso em: 5 jun. 2026.