TY  JOUR
TI  LENINGRAD REGION –  THE TERRITORY OF ECOLOGICAL TOURISM
KW  ecological tourism
KW   specially protected  natural territories
KW   sustainable development
KW   Leningrad region
JO  Services in Russia and abroad
AU  ZHUKOV, P.V.
AU  LEBEDEVA, M.Y.
PY  2017
IS  11
PB  Russian State University of Tourism and Service