1. Risk-Based Maintenance planning Framework for Subway systems;Abouhamad;J. Construct. Eng. Manage.,2019
2. Canadian Infrastructure Report Card, 2019. The Canadian Infrastructure Report Card: Informing the Future. Available at http://canadianinfrastructure.ca/downloads/canadian-infrastructure-report-card-2019.pdf (Accessed October 8, 2019.
3. CAPMAS, 2020. Central Agency for Public Mobilization and Statistics in Egypt. Available at https://www.capmas.gov.eg/?lang=2 (Accessed July 22, 2020).
4. Going underground: an exploration of the interfaces between underground urban transport infrastructure and its environment;Darroch;Tunn. Undergr. Space Technol.,2018
5. A qualitative analysis of the interfaces between urban underground metro infrastructure and its environment in London;Darroch;Tunn. Undergr. Space Technol.,2021