Allen, Isabel, Luísa Santos, Manuela Pinho, José Dias, and Rui Ribeiro. “Study on the Use of Mobile Devices in Schools: The Case of Portugal”. Revista de Estudios e Investigación en Psicología y Educación, no. 13 (December 17, 2017): 300–303. Accessed May 2, 2024. https://revistas.udc.es/index.php/reipe/article/view/reipe.2017.0.13.2975.