AL-SHEIKH, Dana Marwan; OMRAN, Jamal Yunus; ALAARAJ, Mudar Ali. Railways Projects Appraisal Using Reference Class Forecasting and Fuzzy Sets Theory. Journal of engineering sciences and information technology, New Mexico, United States, v. 7, n. 1, p. 33–57, 2023. DOI: 10.26389/AJSRP.K051222. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jesit/article/view/6302. Acesso em: 20 dec. 2025.