發送短信 : A topical structure analysis to create coherence in English essays of fourth year students at English Department at Vietnam National University, University of Language and International Studies

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