Szkola Glowna Handlowa w Warszawie, Association Internationale des Economistes de langue francaise A.I.E.L.F
Paper: The concentration wave in the electric power and natural gas industries in the European Union
Szkola Glowna Handlowa w Warszawie, Association Internationale des Economistes de langue francaise A.I.E.L.F
Paper: The concentration wave in the electric power and natural gas industries in the European Union