TY JOUR TI ANALYSIS OF LABOR PAYMENT EXPENSES` EFFICIENCY: COMPLEX APPROACH (ON THE EXAMPLE OF GLASS INDUSTRY COMPANIES) KW expenses` efficiency KW labor compensation KW balanced scorecard KW key performance indicators JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Adgamova, L.R. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov