1. Aristotle. (2001). Metaphysics. Bucuresti: Humanitas. (In Romanian)
2. Barzea, C. (1998). Art and science of education. Bucuresti: E.D.P., R.A. (In Romanian)
3. Cezanne, P. (1972). Correspondence. Memoirs of contemporaries. Moscow: Art. (in Russian)
4. Developing psychological literacy: Is there a role for reflective practice?;D.Coulson;Journal of University Teaching & Learning Practice,2016