Lukman, Adewale, Kayode Ayinde, Ajiboye S. Adegoke, and Daramola Tosin. “Some Robust Liu Estimators”. Zimbabwe Journal of Science and Technology 12, no. 1 (April 10, 2017): 8–14. Accessed May 16, 2024. https://journals.nust.ac.zw/index.php/zjst/article/view/101.