發送短信 : A target oriented robust optimization model for selection of engineering project portfolio under uncertainty

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