Consul, J. I., E. F. Osaisai, B. R. Japheth, and J. A. Erho. 2022. “On the Generalised Piecewise Constant Hazard Model With Application to Breast Cancer”. Benin Journal of Statistics 5 (1): 75– 88. https://www.bjs-uniben.org/index.php/home/article/view/59.