1. Suyoto: Design and Implementation of e-KidsCV with Interactive Multimedia Approach. Research Report, Atma Jaya Yogyakarta University (2003)
2. Suyoto: The development of m-ColorBlindTest With Interactive Multimedia Approach. Research Report, Atma Jaya Yogyakarta University (2006)
3. Suyoto: Color Blind Test Development Through Mobile Phone with Interactive Multimedia Approach. In: Proceedings of the National Conference on Information Systems 2008, January 14-15. Sanata Dharma University in Yogyakarta, Yogyakarta (2008) ISBN: 978-979-1153-28-7
4. Suyoto: Design and Implementation of e-KidsCV with Interactive Multimedia Approach. Research Report, Atma Jaya Yogyakarta University (2003)
5. Kusumaputra, R.A.: Internet, a New Round of Growth Key to the Mobile Phone Industry, Kompas, Jakarta (November 29, 2006)