1. Akalu, R. (2006). EU spectrum reform and the wireless access policy for electronic communications services (WAPECS) Concept. Info, 8(6), 31–50.
2. APT. (2011). Common Proposals for the Work of the Conference. Agenda Item 1.2 World Radiocommunication Conference (WRC-12), Geneva. Retrieved from https://www.itu.int
3. APT. (2013). APT Preparatory Process for WRC-15 1st ITU Inter-Regional Workshop on WRC-15 Preparation, Geneva. Retrieved from https://www.itu.int
4. Ard-Paru, N. (2012). Information and coordination in international spectrum policy: Implications for Thailand. Retrieved from https://research.chalmers.se
5. Ard-Paru, N. (2013). Implementing spectrum commons: Implications for Thailand. Chalmers University of Technology, PhD thesis.