KHAN, M. O.; AKHTAR, R.; HAQ, I. ul. Risk Factors Identification from Contractors Perspective. Pakistan Journal of Engineering and Technology, [S. l.], v. 5, n. 2, p. 221–225, 2022. DOI: 10.51846/vol5iss2pp221-225. Disponível em: https://journals.uol.edu.pk/pakjet/article/view/2061. Acesso em: 5 jul. 2025.