For citations:
Kravchenko V.V. ECONOMIC EFFICIENCY IN USAGE OF BELARUSIAN BROWN COAL DEPOSITS. Science & Technique. 2011;(4):74-79. (In Russ.)
Kravchenko V.V. ECONOMIC EFFICIENCY IN USAGE OF BELARUSIAN BROWN COAL DEPOSITS. Science & Technique. 2011;(4):74-79. (In Russ.)