POLLÁK, František, Roman VAVREK,
Jan VÁCHAL, Peter MARKOVIČ a
Michal KONEČNÝ. Analysis of Digital Customer Communities in terms of their interactions during the first wave of the COVID-19 pandemic.
Management & Marketing. Challenges for the Knowledge Society. Varšava, Polsko: Sciendo, 2021, roč. 16/2021, č. 2, s. 134-151. ISSN 2069-8887.