1. Absenteeism and Beyond: Instructional Time Loss and Consequences. Policy Research Working Paper 4376;Abadzi Helen,2007
2. Educating the Right Way: Markets, Standards, God, and Inequality;Apple Michael,2006
3. Cambodia: Education Sector Strategy Study;Asian Development Bank,1996
4. Cambodia: Country Poverty Analysis 2014;Asian Development Bank,2014
5. Out of the Shadows: The Global Intensification of Supplementary Education,2013