1. Abdul Karim, M. R., & Mohd Khalid, N. (2003). E-government in Malaysia. Kuala Lumpur: Pelanduk Publications (M) Sdn. Bhd.
2. Abdullah, H.Z., Kaliannan, M., Mohamed Ali, A.J., & Bakar, A.N. (2006). eGoverment in evolution an evaluation survey of government websites in Malaysia. e-Gov, 8-12.
3. Integrated e-learning at Open University Malaysia.;A.Ali;Public Sector ICT Management Review,2008
4. The acceptance of the e-filing system by Malaysian taxpayers: A simplified model. Electronic;A. C.Azmi;Journal of E-Government,2010