Investments projects evaluation by using fuzzy set theory. Economics and region, [S. l.], n. 4(59), p. 35–40, 2016. DOI: 10.26906/EiR.2016.4(59).1110. Disponível em: https://ojs35.nupp.edu.ua/eir/article/view/1110. Acesso em: 23 dec. 2025.