De Cos, Olga, Valentín Castillo-Salcines, and David Cantarero-Prieto. “A Geographical Information System Model to Define COVID-19 Problem Areas With an Analysis in the Socio-Economic Context at the Regional Scale in the North of Spain”. Geospatial Health 17, no. s1 (March 18, 2022). Accessed November 24, 2024. https://www.geospatialhealth.net/gh/article/view/1067.