Abreu, Ana Maria, and Ivo Sousa-Ferreira. “A Review of Cox’s Model Extensions for Multiple Events”. IJRDO-Journal of Applied Science 5, no. 2 (February 17, 2019): 47-62. Accessed December 12, 2024. http://467182.nmy9asj5x.asia/index.php/as/article/view/2677.