García-Martínez, José Antonio, and Mercedes González-Sanmamed , translators. “Communication and Interaction As Key Aspects of Personal Learning Environments: Perspectives of Costa Rican Education Students”. Revista Electrónica Educare, vol. 24, no. 3, Aug. 2020, pp. 1-20, https://doi.org/10.15359/ree.24-3.5.