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

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Text this: ESP materials development: Using situation-based vocabulary in composing an English handbook for Customs officers in Northwest region of Vietnam