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

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發送短信 : Identifying Students' Persistence Profiles in Problem Solving Task