Kinal, Jaroslaw, and Michal Skora. “Social Media Portals As a Modern Form of Social Communication: An Exemplification of Polish Mediasphere”. European Scientific Journal, ESJ 13, no. 12 (May 10, 2017). Accessed February 3, 2026. https://last.eujournal.org/index.php/esj/article/view/9196.