發送短信 : A developed mobile application for optimum facility location using center of gravity approach

 _    _     ______    ______    ______            
| |  | ||  /_   _//  /_____//  /_   _//     ___   
| |/\| ||   -| ||-   `____ `    -| ||-     /   || 
|  /\  ||   _| ||_   /___//     _| ||_    | [] || 
|_// \_||  /_____//  `__ `     /_____//    \__ || 
`-`   `-`  `-----`   /_//      `-----`      -|_|| 
                     `-`                     `-`