In addition, collect information from relevant agencies include Department of international trade negotiations, Ministry of Commerce, office board of broadcasting. Television and telecommunications, national Telecommunications Research and Industrial Development Institute (TRIDI), Thailand development research. (TDRI), Ministry of information and communication technology. These agencies are library and web sites which can provide to trace relevant information. Including data from website of ASEAN and the web research in ASEAN, namely, www.eria.org International Telecommunication and Union. (ITU) to be able to search information and progress in Telecommunications Industry Association
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