Geography and environment-analysis of indicators of sustainable development of tourism

Автор: Jovana Brankov, Marko D. Petrović, Milan Radovanović, Tatiana N. Tretiakova, Yulia A. Syromiatnikova

Журнал: International Journal of Cognitive Research in Science, Engineering and Education @ijcrsee

Рубрика: Original research

Статья в выпуске: 1 vol.5, 2017 года.