1. SPAD (Land Public Transport Commission). Executive summary, “Greater Kuala Lumpur & Klang public transport master plan”, 2010.
2. The evaluation of demand responsive transport services in Europe
3. Bernama, “600,000 targeting for public transport ridership in Klang Valley by End 2012”, Bernama Dec 17, 2009.
4. Bernama, “10 MP: RM2.8 billion for improving urban public transport”, Bernama Oct 15, 2010.
5. Causes of customer dissatisfaction ‐ studies of public transport by the critical‐incident method