MODELLING THE DETERMINANTS OF UNDER-FIVE CHILD MORTALITY RATES USING COX PROPORTIONAL HAZARDS REGRESSION MODEL. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 4, n. 4, p. 401–408, 2021. DOI: 10.33003/fjs-2020-0404-496. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/496. Acesso em: 3 sep. 2025.