SMIRNOV, Igor. GEOMARKETING MIX OF SUSTAINABLE TOURISM ON THE CASE OF NATIONAL NATURE PARK "SYNEVYR". Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 69, p. 125–136, 2014. DOI: 10.17721/2413-7154/2014.69.125-136. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/69-smirnov-125-136. Acesso em: 15 jul. 2026.