Wyniki
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Bulgarian urban settlements in the early 21st century
Margarita Ilieva, Iliya Iliev
Bulletin of Geography. Socio-Economic Series /13 (2010) s. 113-126 -
The depopulation of the Bulgarian villages
Chavdar Mladenov, Margarita Ilieva
Bulletin of Geography. Socio-Economic Series /17 (2012) s. 99-107