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  ____       ___     ______      ___      _  _   
 |  _ \\    / _ \\  |      \\   / _ \\   | \| || 
 | |_| ||  / //\ \\ |  --  //  | / \ ||  |  ' || 
 | .  //  |  ___  |||  --  \\  | \_/ ||  | .  || 
 |_|\_\\  |_||  |_|||______//   \___//   |_|\_|| 
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發送短信 : A comparison of three student selection procedures in terms of efficiency