Suyanee Dejthongpong และผู้แต่งคนอื่นๆ. (2002) Effects of web collaborative tools in web-based instruction upon metacognition and English writing competency between Thailand Chinese university students. Chulalongkorn University:ม.ป.ท.Suyanee Dejthongpong และผู้แต่งคนอื่นๆ. 2002. Effects of web collaborative tools in web-based instruction upon metacognition and English writing competency between Thailand Chinese university students. ม.ป.ท.:Chulalongkorn University;Suyanee Dejthongpong และผู้แต่งคนอื่นๆ. Effects of web collaborative tools in web-based instruction upon metacognition and English writing competency between Thailand Chinese university students. ม.ป.ท.:Chulalongkorn University, 2002. Print.