Aznar-Díaz, Inmaculada, Juan-Manuel Trujillo-Torres, Santiago Alonso-García, and Carmen Rodríguez-Jiménez. “Sociodemographic Factors Influencing Smartphone Addiction in University Students”. Research in Social Sciences and Technology 4, no. 2 (November 5, 2019): 137-146. Accessed September 21, 2020. https://ressat.org/index.php/ressat/article/view/407.