Molina Martínez, M. Ángeles, T. Paniagua Granados, and V. Fernández-Fernández. “Psychological Impact of Confinement in a Sample of Older Adults: Longitudinal Study before and During COVID-19”. Acción Psicológica, vol. 18, no. 1, June 2021, pp. 151–164, doi:10.5944/ap.18.1.29176.