Lukman, Adewale Folaranm1, Olatunji Arowolo, and Kayode Ayinde. “Some Robust Ridge Regression for Handling Multicollinearity and Outlier”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 16, no. 2 (July 4, 2014): 192–202. Accessed July 3, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/2320.