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IT

21   2556




                 4
50%


                  4                     43.6%



                                  50%

                                             900,000
                              4
                             1.7%
                                    6
               11.5%


           2011                                        90%



                      2011




                                                       Closed
System)                                 Proprietary



          Open System
-



                                         5




http://www.dailynews.co.th/technology/

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  • 1. IT 21 2556 4
  • 2. 50% 4 43.6% 50% 900,000 4 1.7% 6 11.5% 2011 90% 2011 Closed System) Proprietary Open System
  • 3. - 5 http://www.dailynews.co.th/technology/