Titima Kasemsritanawat และ Tanasanee Phienthrakul. (2013) Combining machine-learning and semantic-orientation approaches for sentiment classification. Mahidol University:ม.ป.ท.Titima Kasemsritanawat และ Tanasanee Phienthrakul. 2013. Combining machine-learning and semantic-orientation approaches for sentiment classification. ม.ป.ท.:Mahidol University;Titima Kasemsritanawat และ Tanasanee Phienthrakul. Combining machine-learning and semantic-orientation approaches for sentiment classification. ม.ป.ท.:Mahidol University, 2013. Print.