TY JOUR TI MATERIAL CONSUMPTION AS AN IMPORTANT FACTOR OF REGIONAL ECONOMY CONTROL (ON THE EXAMPLE OF KALININGRAD AND BREST REGIONS) KW material consumption KW material costs KW factor analysis KW economic and mathematical modeling KW regression JO Bulletin of KSAU AU Klimuk, V.V. PY 2014 IS PB Krasnoyarsk State Agrarian University