MANTEUFFEL, H.; BUKOWSKI, M. Comparing the environmental impact of using various energy sources in family house heating systems. Economic and Environmental Studies, [S. l.], v. 13, n. 1 (25), p. 49–60, 2020. Disponível em: https://czasopisma.uni.opole.pl/index.php/ees/article/view/3001. Acesso em: 22 nov. 2024.