NAWROT, Łukasz. Renewable energy sources as a new research area in tourism. Economics and Business Review, Poland, v. 13, n. 4, p. 67–82, 2025. DOI: 10.18559/ebr.2013.4.2369. Disponível em: https://www.journals.ue.poznan.pl/ebr/article/view/2369. Acesso em: 5 jul. 2025.