Odhiambo, Collins, John Odhiambo, and Bernard Omolo. “Validation of the Smooth Test of Goodness-of-Fit for Proportional Hazards in Cancer Survival Studies”. International Journal of Statistics in Medical Research 6, no. 2 (April 10, 2017): 49–67. Accessed May 5, 2024. https://www.lifescienceglobal.com/pms/index.php/ijsmr/article/view/4550.