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Volume 13 (2021)

Issue 1

Issue 2

Issue 3

Issue 4

Issue 5
2021 Supplement 1

Issue 6
Special Issue: Sport and Tourism. Yesterday - Today - Tomorrow. Vol. 2. Editors Dariusz Jacek Olszewski-Strzyżowski and Sorin Buhaş

Issue 7
2021 Supplement 2