1. Brandes, U., & Erlebach, T. (Eds.). (2005). Network analysis: Methodological foundations. Heidelberg, Germany: Springer.
2. Dewey, J. (1916). Democracy and education. New York, NY: The Free Press.
3. Eagleman, D. (2015). The brain. New York, NY: Pantheon Books.
4. Educology. (2017). Knowledge of education. Retrieved January 27, 2017 from: http://educology.indiana.edu
5. Estep, M. (2006). Self-organizing natural intelligence: Issues of knowing, meaning and complexity. Dordrecht, The Netherlands: Springer.