Serrano-Sánchez, José Luis, Patricia López-Vicent, and Isabel Gutiérrez-Porlán , trans. “Personal Learning Environments: Strategies and Technologies Used by Spanish University Students”. Revista Electrónica Educare 25, no. 2 (April 15, 2021): 1–18. Accessed May 3, 2024. https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/12499.