2[1]Znaniecki F.(1965).The Social Role of the Man of Knowledge.New York:Octagon Books.24.
3[4]Sternberg,R.J.& Horvath,J.A.(1999).Tacit Knowledge in Professional Practice:Researcher and Practitioner Perspectives,London:Lawrence Erlbaum Associates inc.236.
4[6]R.J.Brownhill.(1983).Education and the Nature of Knowledge,Croom Helm Ltd.53.