References
- 1. KCRC. Middle Road Subway Extension – SLGWG Meeting Minutes. No 1 – No 56. (2008–2009).
- 2. GIKEN Construction Solutions Company. Giken Piling Principle. Retrieved on 20 July 2009 from http://www.giken.com/int/st/index.html
- 3. KCRC. Middle Road Subway Extension Project – Final EIA Report. (2008–2009).
- 4. KCRC. Middle Road Subway Extension – Site Diary and Site Photos. (2008–2009).
- 5. KCRC. Middle Road Subway Extension – DC Meeting Minutes.(2008–2009).