D. Sidyk, M. Sztyber, A. Zapolska-Downar, and P. Brzeziński, “The 5th Congress of the Polish Communication Association ‘Media Power: People–Organisations–Technologies’ Warsaw, Poland, September 19–21, 2019”, cejc, vol. 13, no. 1(25), pp. 130-133, Jun. 2020.