
An Assessment of Selected Work Organisation Variants in an Underground Hard Coal Mine with Consideration to Unit Mining Costs
Author(s) -
R. Magda
Publication year - 2021
Publication title -
inżynieria mineralna
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.215
H-Index - 9
ISSN - 1640-4920
DOI - 10.29227/im-2019-01-50
Subject(s) - coal mining , work (physics) , production (economics) , baseline (sea) , unit (ring theory) , operations research , set (abstract data type) , operations management , coal , working time , engineering , computer science , waste management , mathematics , economics , mechanical engineering , law , mathematics education , macroeconomics , programming language , political science