SZWEDA, A. The importance of modernizations in realization of sustainable development principles – a case study of the Heating Plant ‘Piast’ in Bieruń, Poland. Economic and Environmental Studies, [S. l.], v. 18, n. 1 (45), p. 375–386, 2020. DOI: 10.25167/ees.2018.45.21. Disponível em: https://czasopisma.uni.opole.pl/index.php/ees/article/view/2619. Acesso em: 22 nov. 2024.