Determinants of Under-five Mortality Due to Pneumonia: A Negative Binomial Regression Analysis. Jurnal Varian, [S. l.], v. 7, n. 1, p. 59–66, 2023. DOI: 10.30812/varian.v7i1.2768. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/2768. Acesso em: 14 oct. 2025.