Technologies and Innovation 7th International Conference, CITI 2021, Guayaquil, Ecuador, November 22–25, 2021, Proceedings - Valencia-García, Rafael; Bucaram-Leverone, Martha; Del Cioppo-Morstadt, Javier; Vera-Lucio, Néstor; Jácome-Murillo, Emma (Springer International Publishing, 2021)