García-Martínez, J.-A., González-Sanmamed, M., & Muñoz-Carril, P.-C. (2021). Validation of the Activities’ Scale in Higher Education Students’ Personal Learning Environments. Psicothema, 33(Número 2), 320–327. Retrieved from https://reunido.uniovi.es/index.php/PST/article/view/17102