LUKMAN, A.; AYINDE, K.; ADEGOKE, A. S.; TOSIN, D. . Some Robust Liu Estimators. Zimbabwe Journal of Science and Technology, [S. l.], v. 12, n. 1, 2017. Disponível em: https://journals.nust.ac.zw/index.php/zjst/article/view/101. Acesso em: 6 nov. 2025.