STASZCZAK, D. CHANGES OF EU COUNTRIES POSITIONS IN INTERNATIONAL TRADE OF MINERAL FUELS IN 2006–2015. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 16, n. 4, p. 151–159, 2017. DOI: 10.22630/ASPE.2017.16.4.54. Disponível em: https://aspe.sggw.edu.pl/article/view/297. Acesso em: 9 may. 2024.