Figueiredo, Catarina, Madalena Cunha, Liliana Sousa, and Eduardo Santos. 2020. “Psychological Impact of the Covid-19 Pandemic on the General Population: Systematic Review Protocol With Meta-Analysis”. Millenium - Journal of Education, Technologies, and Health 2 (7e):11-16. https://doi.org/10.29352/mill0207e.01.00360.