TY JOUR TI DETERMINATION OF THE NATURE OF PARTICIPATION OF NON-PROFIT ORGANIZATIONS IN THE DEVELOPMENT OF ECONOMIC AREA REGION KW non-profit organizations KW regional economic development KW assessment methodology KW dynamic assessment indicators KW integrated evaluation indices KW economic indices KW economic efficiency JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Tselyutina, T.V. AU Tretyakova , L.. AU Avilova , Z.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov