For citations:
Trofimova E. UNESCO WORLD KARST NATURAL HERITAGE SITES: GEOGRAPHICAL AND GEOLOGICAL REVIEW. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2018;11(2):63-72. https://doi.org/10.24057/2071-9388-2018-11-2-63-72
Trofimova E. UNESCO WORLD KARST NATURAL HERITAGE SITES: GEOGRAPHICAL AND GEOLOGICAL REVIEW. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2018;11(2):63-72. https://doi.org/10.24057/2071-9388-2018-11-2-63-72