Results map of the 2023 Slovak constitutional referendum, with each districts coloured by the percentage of "Yes" votes received as a share of registered voters. Results from the Statistical Office of the Slovak Republic, districts shapefile citation: "Hijmans, Robert J.. University of California, Berkeley. Museum of Vertebrate Zoology. Second-level Administrative Divisions, Slovakia, 2015. [Shapefile]. University of California, Berkeley. Museum of Vertebrate Zoology. Retrieved from https://maps.princeton.edu/catalog/stanford-hk224yp5979" (released under CC BY 3.0)
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