[2] J. Huizinga, Homo Ludens: a study of the play-element in culture (Beacon Press, Boston 1955).
(1984 קילאיב דסומ) קחשמה םדאה ,הגניזיוה .י

[3] D.W. Winnicott, Playing and Reality (Tavistock Publications, London 1971).

[4] E. Fink,. Spiel als Weltsymbol (Kohlhammer, Stuttgart 1960).

[5] M.M. Waldrop, Complexity: the Emerging Science at the Edge of Order and Chaos (touchstone, NY 1993).

[6] S. Turkle, Life on the Screen: Identity in the age of the Internet (phoenix Books, London 1995).