Nattapong Savavibool และ Chaveevan Pechsiri. (2012) Event Based Multiple Tourism Themes' Determination From Texts For Alternative Tourism Recommendations. <i>Journal of Information Science and Technology</i>, <i>3</i>(1), 1-7.Nattapong Savavibool และ Chaveevan Pechsiri. "Event Based Multiple Tourism Themes' Determination From Texts For Alternative Tourism Recommendations". Journal of Information Science and Technology 3 (2012):1-7.Nattapong Savavibool และ Chaveevan Pechsiri. Event Based Multiple Tourism Themes' Determination From Texts For Alternative Tourism Recommendations. Faculty of Information Science and Technology, Mahanakorn University of Technology:ม.ป.ท. 2012.