Cracow,
Lengyelország,Warsaw, Lengyelország : Pedagogical
University of Krakow, Institute of Geography, Polish
Geographical Society(2018)168
p. p. 65 , 1 p.
Pécs, Magyarország : Institute
for Regional Studies, Centre for Economic and Regional Studies, Hungarian Academy
of Sciences(2018)145 p. pp. 38-58. , 21 p.