Satellite imagery technology in public health: analysis of site catchment areas for assessment of poliovirus circulation in Nigeria and Niger. Geospatial Health, [S. l.], v. 11, n. 3, 2016. DOI: 10.4081/gh.2016.462. Disponível em: https://www.geospatialhealth.net/gh/article/view/462. Acesso em: 2 aug. 2025.