BORYCHOWSKI, Michal. LABOUR PRODUCTIVITY IN THE LIQUID BIOFUELS SECTOR IN SELECTED EUROPEAN UNION COUNTRIES. Proceedings of the International Scientific Conference "Economic Sciences for Agribusiness and Rural Economy", [S. l.], n. 1, 2018. Disponível em: https://esare.ieif.sggw.pl/article/view/1449. Acesso em: 19 nov. 2025.