Regression Estimators under Joint Multicollinearity and Autocorrelation Conditions: The Two-Stage Kibria-Lukman Estimator as an Enhanced Approach. International Journal of Development Mathematics (IJDM), [S. l.], v. 2, n. 1, p. 217–227, 2025. DOI: 10.62054/ijdm/0201.17. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/131.. Acesso em: 17 apr. 2026.