References
- Heron, J. (1981) Experiential research methodology. In “Human Inquiry”. Edited by P. Reason and J. Rowan. (Wiley, London)
- Popper, K. R. (1959) Logic of Scientific Discovery (Hutchinson, London)
- Popper, K. R. and Eccles, J. C. (1977) The self and its brain (Springer, London)