TY JOUR TI Optimization Of The Quality Of Service By Choosing Of Investment Destinations In The Entertainment Field KW investments KW relative values KW an entertainment complex KW tennis club KW amusement park KW water park KW confidence probability KW income KW profitability JO Journal of economic studies AU Sinyavskiy, N.. PY 2016 IS 2 PB INFRA-M Academic Publishing LLC.