Okolie, F.A., Akarawak , E. and Olufolabo, O. 2026. Penalized Cox Regression Models for High-Dimensional Survival Analysis: An Application to Breast Cancer Microarray Data. International Journal of Mathematical Sciences and Optimization: Theory and Applications. 12, 1 (Mar. 2026), 1 - 10. DOI:https://doi.org/10.5281/zenodo.20383827.