An early warning dropout model in higher education degree programs: A case study in Ecuador. - Vanessa Heredia-Jiménez; Alberto Jiménez; Margarita Ortiz-Rojas; Jon Imaz Marín; Pedro Manuel Moreno-Marcos; Pedro J. Muñoz-Merino; Carlos Delgado Kloos (LAUR@EC-TEL, 2020)