1. Ben Baruch, E. (1985). Conception of time, theoretical framework and some implications for education. In E. Ben Baruch & Y. Neumann, Studies in education administration and policy making, pp. 25-34. Herzalia, Israel: Ben Gurion University of the Negev.
2. Cottle, T. (1976). Perceiving time: A psychological investigation with men and women. New York, London, Sydney, Toronto: John Wiley and Sons.
3. Cottle, T. & Kleinberg, S. L. (1974). The present of things future. New York, London: Macmillan Publishers.
4. Doob, P. (1971). Patterning of lime. New Haven and London: Yale University Press.
5. Fraisse, P. (1982). The adaptation of the child to time. In the developmental psychology of time. New York: Academic Press.