Zapraszam do zapoznania się z najnowszymi publikacjami mojego autorstwa i współautorstwa:
Stec S. 2021. Assessment of the economic efficiency of the operation of low-emission and zero-emission vehicles in public transport in the countries of the Visegrad Group. Energy Supplies in the Countries from the Visegrad Group" - Energies MDPI - https://doi.org/10.3390/en14227706
Stec S., Szymańska J. E. 2022. Energy innovation of Polish local governments. Policy and Economics Analysis of Renewable Energy Sources and Bioenergy - Energies MDPI - https://doi.org/10.3390/en15041414