NINDING, P.; GULTOM, A.; SEMBIRING, S.; DACHI, S. S.; PURBA, Y. A.; GIRSANG, V. I. MAPPING PNEUMONIA IN TODDLERS: THE ROLE OF POPULATION DENSITY, SANITATION, AND HEALTH FACILITIES IN NORTH SUMATERA PROVINCE 2022-2023. PRIMA WIYATA HEALTH, [S. l.], v. 7, n. 1, p. 1–13, 2026. DOI: 10.60050/pwh.v7i1.100. Disponível em: http://e-journal.shj.ac.id/ojs/index.php/PWH/article/view/100. Acesso em: 20 jan. 2026.