1. Aristotle. 350 BCE. ‘Nicomachean Ethics’. The Internet Classics Archive, MIT.
2. Aronowitz, Stanley and Henry Giroux. 1991. Postmodern Education: Politics, Culture and Social Criticism. Minneapolis, MN: University of Minnesota Press.
3. Bagley, William Chandler. 1915. School Discipline. New York: Macmillan.
4. Barton, David. 2007. Literacy: An Introduction to the Ecology of Written Language. Oxford, UK: Blackwell.
5. Bishop, Jacob and Matthew Verleger. 2013. ‘The Flipped Classrom: A Survey of the Research’, in American Society for Engineering Education. Atlanta, GA.