Sasimala Chantamala และ Chansongklod Gajaseni. (2008) Effects of cultural experiential instruction on English oral communication ability of lower secondary school students. Chulalongkorn University:ม.ป.ท.Sasimala Chantamala และ Chansongklod Gajaseni. 2008. Effects of cultural experiential instruction on English oral communication ability of lower secondary school students. ม.ป.ท.:Chulalongkorn University;Sasimala Chantamala และ Chansongklod Gajaseni. Effects of cultural experiential instruction on English oral communication ability of lower secondary school students. ม.ป.ท.:Chulalongkorn University, 2008. Print.