%0 Journal Article %T PRODUCTIVITY AS A CRITERION OF THE LEVEL OF DEVELOPMENT ENTERPRISES OF CONSTRUCTION MATERIALS INDUSTRY %A Chizhova, E.N. %A Balabanova, G.G. %K productivity, depreciation of equipment, capital intensity, capital productivity, training %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2017 %N 2 %P 5 %I Belgorod State Technological University named after V.G. Shukhov