Search for: [References = "Cała, M., Szewczyk\-Swiątek, A, \& Ostręga, A. \(2021\). Challenges of Coal Mining Regions and Municipalities in the Face of Energy Transition. Energies, 14, 6674. https\:\/\/doi.org\/10.3390\/en14206674\(\{\[citation_location\:doi\:10.3390\/en14206674\]\}\)"]

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