Yingjuan Yang. 2010. A study of bilingual school effectiveness in Chaoyang district of Beijing, China. , Mahidol University;
Yingjuan Yang. (2010) A study of bilingual school effectiveness in Chaoyang district of Beijing, China . Mahidol University/Bangkok.
Yingjuan Yang. A study of bilingual school effectiveness in Chaoyang district of Beijing, China. . Bangkok:Mahidol University, 2010.
Yingjuan Yang. (2010) A study of bilingual school effectiveness in Chaoyang district of Beijing, China . Mahidol University/Bangkok.