Mączyńska, Joanna, Adam Kupczyk, Michał Sikora, Karol Tucki, and Tomasz Żelaziński. 2017. “SITUATION, PROSPECTS AND LEGAL CONDITIONS ASSOCIATED WITH FUNCTIONING OF THE TRANSPORT BIOFUELS SECTORS IN POLAND”. Annals of Agricultural Economics and Rural Development 104 (1):39-55. https://doi.org/10.22630/RNR.2017.104.1.3.