References
Buzan, T. and Buzan, B. (1995) The Mind Map book: Unlock your memory, boost your creativity, change your life. London, England: BBC books.
De Bono, E. (1985) Six Thinking Hats. London, England: Penguin Books.
Freire, P. (1993 [1977]) Pedagogy of the oppressed. (Ramos, M) London, England: Penguin Books.