2Heyworth,R.M.Mental Representation of Knowledge for a Topic in high school chemistry[M].Michigan:Bell&Howell company,1988.
3Sterman,J.D.Learning in and about complex system[J].System dynamic review,1994,(10):291-330
4Bourgeois,L.J.Ⅲ,K.M.Eisenhardt,Strategic decision processes in high velocity environments:Four cases in the microcomputer industry[J].Management Science,1986,34:816-835