Bere, A., G. H. Sithuba, C. Mabvuu, R. Mashabela, C. Sigauke, and K. Kyei. “Regularisation in Discrete Survival Models: A Comparison of Lasso and Gradient Boosting”. South African Statistical Journal, vol. 55, no. 1, Mar. 2021, pp. 29-44, doi:10.37920/sasj.2021.55.1.3.