發送短信 : AN EXPLORATORY STUDY OF SIX SIGMA IN CONSTRUCTION

 _____      _____    ______    __   __    _____   
|  __ \\   |  ___|| |      \\  \ \\/ //  /  ___|| 
| |  \ ||  | ||__   |  --  //   \ ` //  | // __   
| |__/ ||  | ||__   |  --  \\    | ||   | \\_\ || 
|_____//   |_____|| |______//    |_||    \____//  
 -----`    `-----`  `------`     `-`'     `---`