Estimation of the Family and Community Unobserved Heterogeneity Effects on the Risk of Under-Five Mortality in Nigeria using Frailty Model. International Journal of Child Health and Nutrition, [S. l.], v. 9, n. 1, p. 17–25, 2020. DOI: 10.6000/1929-4247.2020.09.01.3. Disponível em: https://www.lifescienceglobel.com/index.php/ijchn/article/view/6468. Acesso em: 13 jun. 2026.