發送短信 : A study on difficulties in learning speaking skill faced by non-English major students at Hanoi University of Industry

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