發送短信 : An investigation into assessing speaking of students learning new English textbook in a high school in Vietnam

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