School resources and educational outcomes in developing countries: a review of the literature from 1990 to 2010 2011 English ☐
Input, process, and learning in primary and lower secondary schools : a systematic review carried out for the Nordic Indicator Workgroup (DNI) 2010 English ☐
Four studies of education growth: inequality by wealth, age effects, sub-national learning differentials, and projections 2008 English ☐
An international perspective on trends in the quality of learning achievement (1965-2007) 2008 English ☐
Initiatives to improve the quality of teaching and learning: a review of recent literature 2007 English ☐