SZCZUBEŁEK, G. Perspectives for energy development in Poland and in the European Union in the context of the European Green Deal: renewable energy and energy efficiency. Olsztyn Economic Journal, [S. l.], v. 17, n. 2, p. 175–190, 2022. DOI: 10.31648/oej.8934. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/8934. Acesso em: 4 dec. 2024.