Modeling University Student Academic Performance in Nigeria: A Comparison of Seemingly Unrelated Regression Equations (Sure) and Multivariate Regression. International Journal of Development Mathematics (IJDM), [S. l.], v. 1, n. 4, p. 271–286, 2025. DOI: 10.62054/ijdm/0104.21. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/219.. Acesso em: 17 apr. 2026.