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

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