Rabiu, M., A. B, Zoramawa, U. Usman, and B. A. Magaji. 2023. “STUDY ON THE PERFORMANCE OF SOME PARAMETRIC PROPORTIONAL HAZARD MODELS AND SEMI-PARAMETRIC MODEL IN THE ANALYSIS OF BREAST CANCER DATA”. FUDMA JOURNAL OF SCIENCES 7 (5):181 -84. https://doi.org/10.33003/fjs-2023-0705-2011.