發送短信 : Seasonal integration and co-integration : modelling tourism demand in Singapore.

  _____     _____     ____     _    _    _    _   
 |__  //   |  ___||  |  _ \\  | || | || | \  / || 
   / //    | ||__    | |_| || | || | || |  \/  || 
  / //__   | ||__    | .  //  | \\_/ || | .  . || 
 /_____||  |_____||  |_|\_\\   \____//  |_|\/|_|| 
 `-----`   `-----`   `-` --`    `---`   `-`  `-`