CESAR HERVAS MARTINEZPEDRO ANTONIO GUTIÉRREZ PEÑA2026-01-292026-01-29201410.1016/j.knosys.2014.04.0412-s2.0-84902366421https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/25450Artificial IntelligenceInformation Systems and ManagementManagement Information SystemsSoftwareClassification of EU countries' progress towards sustainable development based on ordinal regression techniquesresearch article