©2013 National Research Council of Thailand
Nonglak Kasemsanta Na Ayuthaya. 2006. A comparative analysis of style and language features in official letters and electronic mail. Field of Study Communicative English, Ramkhamhaeng University;
Nonglak Kasemsanta Na Ayuthaya. (2006) A comparative analysis of style and language features in official letters and electronic mail . Ramkhamhaeng University/Bangkok.
Nonglak Kasemsanta Na Ayuthaya. A comparative analysis of style and language features in official letters and electronic mail. . Bangkok:Ramkhamhaeng University, 2006.
Nonglak Kasemsanta Na Ayuthaya. (2006) A comparative analysis of style and language features in official letters and electronic mail . Ramkhamhaeng University/Bangkok.