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            ______    _  __    ______    _____   
  ____     /_   _//  | |/ //  /_   _//  / ____|| 
 |    \\    -| ||-   | ' //    -| ||-  / //---`' 
 | [] ||    _| ||_   | . \\    _| ||_  \ \\___   
 |  __//   /_____//  |_|\_\\  /_____//  \_____|| 
 |_|`-`    `-----`   `-` --`  `-----`    `----`  
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發送短信 : CRM in e-business : comparative study.