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Grudzewski, Wiesław Maria, Associate member of the Polish Academy of Sciences (PAN)
Gulski, Bogusław, Faculty of Economics Maria Curie-Skłodowska University in Lublin (Polen)
Gwizdała, Jerzy Piotr (Polen)
Gyenge, Balázs, Szent István University, Gödöllő (Ungarn)
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ISSN: 2083-0025