1. Aho, E., Pitkänen, K., & Sahlberg, P. (2006). Policy development and reform principles of basic and secondary education in Finland since 1968. Washington, DC: World Bank.
2. Aristorenas, M. (2020). Solving the teacher shortage crisis: How some countries are working to it – Finland. Retrieved from National Center on Education and the Economy https://ncee.org/2018/09/solving-the-teacher-shortage-crisis/
3. Association for Supervision and Curriculum Development. (2020). School culture and climate. Retrieved from http://www.ascd.org/research-a-topic/school-culture-and-climate-resources.aspx
4. Association of Independent Schools in Finland. (2019). Retrieved from https://www.ecnais.org/association-of-private-schools-in-finland
5. Binkley, M., Erstad, O., Herman, J., Raizen, S., Ripley, M., Miller-Ricci, M., & Rumble, M. (2012). Defining twenty-first century skills. In P. Griffin, B. McGaw, & E. Care (Eds.), Assessment and teaching of 21st century skills (pp. 17–66). Dordrecht: Springer.