https://www.europarl.europa.eu/doceo/document/TA-9-2021-0430_EN.pdf
https://towardsdatascience.com/top-5-r-resources-on-covid-19-coronavirus-1d4c8df6d85f?source=email-bc1148bd8538-1584871416249-digest.reader——0-58——————b667a4ce_f628_4a0f_8ca6_61e417afd433-1-74423165_4718_4a2f_99ed_7a1f1025f705—-&gi=5d1978f4991
https://www.insightcrime.org/wp-content/uploads/2020/04/El-narcotraficante-invisible-tras-las-huellas-de-Memo-Fantasma_InSight-Crime-Marzo-2020.pdf
https://www.resolutionfoundation.org/publications/what-happens-after-the-clapping-finishes/