00535naa#a2200169#i#450# EN\\bibl\6316 20240518095648.6 1995-042X 20150722b2015####ek#y0engy0150####ca RUS RU Research of negative impact on a state of environment in the Russian Federation Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 0 с. Journal article local Babenko Oksana service-rusjournal.editorum.ru