Multitasking behavior in online classrooms and academic performance: case of university students in Ecuador during COVID-19 outbreak. - Aldo Alvarez-Risco; Alfredo Estrada-Merino; María de las Mercedes Anderson-Seminario; Sabina Mlodzianowska; Verónica García-Ibarra; Cesar Villagomez-Buele; Mauricio Carvache-Franco (Interact. Technol. Smart Educ., 2021)