2Horvath, J. A. , ‘Tacit Knowledge in the Professions,' see Robert J. Sternberg and Joseph A. Horvath ed., Tacit Knowledge in Professional Practice: Researcher and Practitioner Perspectives, London:Lawrence Erlbaum Associates inc. , 1999.
3Polanyi, M. , The Study of Man, London: Routledge & Kegan Paul, 1957.
4"We can know more than wee can tell", see Polanyi, M. , The Tacit Dimension, London: Routledge & Kegan Paul, 1966.
5Clement, J. , ‘Use of Physical Intuition and Imagistic Simulation in Expert Problem Solving, ' see Tirosh,D. , ed. , Implicit and Explicit knowledge: an Educational approach, Norwood and New Jersey: Ablex Publishing Corporation, 1994.
6Polanyi, M. , Personal Kdowledge: Toward a Post-Critical Philosophy, London and Henley: Routledge & Kegan Paul, 1958.
7Janice Whatley Geaf Staniford Martin Beer Philscown E.T.：《Group prcject support agents for helping students work online》Sep.1999.
