Juckrawooth Attanawanich และ Chansongklod Gajaseni. (2006) A Study of the effects of social strategies instruction on social strategies use and english language communication abilities of primary students in schools using international baccalaureate curriculum. Chulalongkorn University:ม.ป.ท.Juckrawooth Attanawanich และ Chansongklod Gajaseni. 2006. A Study of the effects of social strategies instruction on social strategies use and english language communication abilities of primary students in schools using international baccalaureate curriculum. ม.ป.ท.:Chulalongkorn University;Juckrawooth Attanawanich และ Chansongklod Gajaseni. A Study of the effects of social strategies instruction on social strategies use and english language communication abilities of primary students in schools using international baccalaureate curriculum. ม.ป.ท.:Chulalongkorn University, 2006. Print.