http://muse.jhu.edu/article/683632/pdf
https://www.brookings.edu/president/americas-democracy-on-the-edge/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=96431627&utm_source=hs_email
https://www.opendemocracy.net/can-europe-make-it/cristina-flesher-fominaya/spain-s-historic-motion-of-no-confidence-how-can-we-und?utm_source=Daily+Newsletter&utm_campaign=6e720ec3a8-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-6e720ec3a8-407405485