Tuñón-Navarro, J., and U. Carral-Vilar. “Has COVID-19 Promoted or Discouraged a European Public Sphere? Comparative Analysis of the Twitter Interactions of German, French, Italian and Spanish MEPSs During the Pandemic”. Communication & Society, Vol. 34, no. 3, May 2021, pp. 135-51, doi:10.15581/003.34.3.135-151.