TY JOUR TI METHODOLOGICAL BASIS OF DETERMINING THE ESTIMATE VALUE IN THE BUILDING INDUSTRY KW cost of construction KW estimated pricing system KW estimate rationing KW building sector JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Gukova, E.A. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov