7Borland Melvin V., Howsen Roy M., Trawick Michelle W.. An investigation of the Effect of Class Size on Student Academic Achievement[J]. Education Economies, 2005, 13( 1 ) :73-83.
8Achilles Charles M.,Finn Jeremy D.,Bain, Helen P.. Using Class Size to Reduce the Equity Gap. Educational Leadership, 1997/1998, 55(4):40-43.
9A Descriptive Evaluation of the Federal Class-Size Reduction Program Final Report 2004 [EB/OL]. http://www.ed. gov/rschstat/eval/other/class-size/index.html.