1. Basic Education Department of Shanghai Municipal Education Commission. (2001). The summary of the basic education reform during the ninth five-year-plan period. Shanghai Education 3.
http://www.shmec.gov.cn/web/concept/show_article.php?article_id
2. Beijing Municipal Education Commission. (2010). Beijing Medium- and Long-term Programs for Education Reform and Development (2010–2020).
http://www.bjedu.gov.cn/publish/portal0/tab103/info8680.htm
3. Blatchford, P. (2003). The class size debate: Is small better? Buckingham: Open University Press.
4. Dalian Municipal Education Commission. Dalian Medium- and Long-term Programs for Education Reform and Development (2010–2020).
http://www.docin.com/p-657260252.html
5. Finn, J., & Achilles, C. (1999). Tennessee’s class size study: Findings, implications, misconceptions. Education Evaluation & Policy Analysis, 21(2), 97–109.