1. Content counts! Developing disciplinary literacy skills, K-6;Altieri,2011
2. Teaching history for the common good;Barton,2004
3. Key issues in secondary education;Beck,2001
4. Design experiments: Theoretical and methodological challenges in creating complex interventions in classroom settings;Brown;The Journal of the Learning Sciences,1992
5. A summary of research exploring hard and soft scaffolding for teachers and students using a multimedia supported learning environment;Brush;The Journal of Interactive Online Learning,2002