1. Biesecker, C. (2015). Designing urban underhighway spaces. The University Of Georgia.
2. Campbell, C. C. (2013). Visualizing residual spaces in new light: A study for creating & designing an urban public space under a downtown San José Freeway. San José State University.
3. Chandana, G. (2017). Flyover: An urban void. https://www.slideshare.net/GeevaChandana/flyover-urban-void-or-fabric-knitting-the-city
4. Domínguez, G. (2014, December 14). Pakistan's urbanization: A challenge of great proportions. DW: Made for minds. https://www.dw.com/en/pakistans-urbanization-a-challenge-of-great-proportions/a-18163731
5. Hoh, D. (2016). Turning dead spaces. Centre for Liveable Cities. https://www.clc.gov.sg/docs/default-source/reports/turning-dead-spaces.pdf