00578naa#a2200205#i#450# EN\\bibl\102526 20251227000311.6 2588-0209 20240225b2024####ek#y0engy0150####ca RU ENVIRONMENTAL PROTECTION AS A MAIN DIRECTION OF ECOLOGICAL TOURISM Journal article Moscow Electronic science 2024 15 с. Journal article local Chupina I. P. Zarubina E. V. Simachkova N. N. Zhuravleva L. A. Fateeva N. B. mshj.ru