For citations:
Korolev A.Yu., Safarian A.A. EVALUATION OF THE NATURAL RECREATION SYSTEM OF THE PERM REGION. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2018;11(4):24-38. https://doi.org/10.24057/2071-9388-2018-11-4-24-38
Korolev A.Yu., Safarian A.A. EVALUATION OF THE NATURAL RECREATION SYSTEM OF THE PERM REGION. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2018;11(4):24-38. https://doi.org/10.24057/2071-9388-2018-11-4-24-38