1. WAP market strategies;Mackenzie,2000
2. The Straits Times. Tech & science—WAP's up: page content. 2000; September 18.
3. International Telecommunication Union (ITU). Key global indicators for the world telecommunication service sector, 2003. http://www.itu.int/ITU-D/ict/statistics/at_glance/KeyTelecom99.html
4. WAPworkz. The truth about WAP: concept, business model and implementation strategy, 2000 (http://www.wapworkz.com/pdf/The%20Truth%20About%20WAP%20210800.pdf).
5. As good as gold;Davison;Mobile Asia Pacific,2000