Kaneungnij Theppitak และ Nitaya Yuangsri. (2009) Emotional intelligence of JALway's flight attendants in different job titles. Language Institute Thammasat University,:ม.ป.ท.Kaneungnij Theppitak และ Nitaya Yuangsri. 2009. Emotional intelligence of JALway's flight attendants in different job titles. ม.ป.ท.:Language Institute Thammasat University,;Kaneungnij Theppitak และ Nitaya Yuangsri. Emotional intelligence of JALway's flight attendants in different job titles. ม.ป.ท.:Language Institute Thammasat University, 2009. Print.