1. Andris, C., & Ferreira, J. (2014). Featured graphic-visualizing commuting in Singapore. Environment and Planning A, 46, 2543–2545.
2. Central Provident Fund Board. (2022). Your CPF contributions and allocation rates, Singapore Government. Date: 26th January, 2022, website: CPFB | Your CPF contributions and allocation rates.
3. Centre for Liveable Cities. (2021). Government land sales programme: Turning plans into reality. Republic of Singapore.
4. Cervero, R. (1996). Jobs-housing balance revisited. Journal of the American Planning Association, 62(4), 492–512.
5. Channel NewsAsia. (2017). Ploughing on: The faces and insecurities of Singapore’s elderly working poor, May 7th, Singapore.