Changing of agrarian structure as a factor of agricultural transformations in Poland after political transformation за авторством P. Maziarz, K. Rejman

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The influence of conventional energy sources and unconventional raw materials on the natural environment за авторством P. Maziarz, E. Harasim

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Agricultural biomass as a source of renewable energy за авторством P. Maziarz, E. Harasim

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Military facilities as tourists attractions on the example of fortress in Zamosc за авторством C. A. Kwiatkowski, P. Maziarz

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