Keyword break-even point

 

Analysis of the result on current production of coal for a group of coal mines

Polityka Energetyczna – Energy Policy Journal 2006;9(Zeszyt specjalny 1):505-520
 

Fixed and variable costs of coal production as an element of coal production management

Polityka Energetyczna – Energy Policy Journal 2007;10(Zeszyt specjalny 2):471-482
 
eISSN:2720-569X
ISSN:1429-6675
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