Piyatida Changpueng และ Punchalee Wasanasomsithi. (2009) The development of an English writing course based on the genre-based approach for undergraduate Engineering students at King Mongkut's University of Technology North Bangkok. Chulalongkorn University:ม.ป.ท.Piyatida Changpueng และ Punchalee Wasanasomsithi. 2009. The development of an English writing course based on the genre-based approach for undergraduate Engineering students at King Mongkut's University of Technology North Bangkok. ม.ป.ท.:Chulalongkorn University;Piyatida Changpueng และ Punchalee Wasanasomsithi. The development of an English writing course based on the genre-based approach for undergraduate Engineering students at King Mongkut's University of Technology North Bangkok. ม.ป.ท.:Chulalongkorn University, 2009. Print.