ANALYSIS OF THE LEVEL OF ADDED VALUE WITHIN THE EXPLOITATION PROCESSES IN AN UNDERGROUND MINE WITH A LONGWALL SYSTEM AND METHODS OF INCREASING IT USING THE LEAN MINING CONCEPT
Pawel Bogacz · SWS 2026 Conference Preprints
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Pawel Bogacz · SWS 2026 Conference Preprints
Nadezhda Yarlovska, Sia Veleva · SWS 2026 Conference Preprints
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