GONZÁLEZ HERNÁNDEZ, WALFREDO, and RICARDO PATRICIO MEDINA CHICAIZA. 2019. “METHODOLOGY FOR THE DEVELOPMENT OF VIRTUAL COURSES TO SUPPORT COMBINED LEARNING IN THE UNIFIED BACCALAUREATE OF ECUADOR”. Revista Ingeniería, Matemáticas Y Ciencias De La Información 6 (12): 13-24. https://ojs.urepublicana.edu.co/index.php/ingenieria/article/view/499.