ABU MWAIS, Allam; MAHAMID, Ibrahim. Using a Fuzzy Model to Evaluate Risks caused by Variation Orders in Construction Projects. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 1, p. 19030–19036, 2025. DOI: 10.48084/etasr.8558. Disponível em: https://etasr.com/index.php/ETASR/article/view/8558. Acesso em: 3 jun. 2026.