發送短信 : Classification of Instructional Programs: 2000 Edition

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