Advanced Research in Technologies, Information, Innovation and Sustainability : First International Conference, ARTIIS 2021, La Libertad, Ecuador, November 25-27, 2021, Proceedings... by International Conference on Advanced Research in Technologies, Information, Innovation and Sustainability (1st : 2021 : La Libertad, Ecuador) 643278, Guarda, Teresa, 1966-, editor 643379, Portela, Filipe, editor 643380, Santos, Manuel Filipe, editor 308415