O. I., A.; C. O., O.-O.; A. M., A. Multilevel Regression Analysis of Age at First Birth. Covenant Journal of Physical and Life Sciences, [S. l.], v. 5, n. 2, 2018. Disponível em: https://journals.covenantuniversity.edu.ng/index.php/cjpls/article/view/774. Acesso em: 2 may. 2024.