1. Veinte años de políticas en educación media en Chile: 1980–2000 (twenty years of secondary education policy in Chile);Bellei,2003
2. The public-private school controversy in Chile;Bellei,2008
3. What's all the fuss about instructional time?;Berliner,1990
4. Time and school learning;Borg,1980
5. Measuring the effects of instructional time on student learning: Evidence from the beginning teacher evaluation study;Brown;American Journal of Education,1986