5J. J. Schwab. The Teaching of Secience as Inquiry,Harvard University Press, 1962.
6G. E. DeBoer. A History of Ideas in Science Education : Implications for Practice. Teachers College Press, 1990.
7B. A. Crawford,R. L. Bell,L. M. Blair,& N.G. Lederman. Tile Impact of Science Apprenticesfiips on Student Conceptions of the Nature of Science and Scientific Inquiry. Paper Presented at the Annual Meeting of the National Association for Research in Science Teaching, Boston,MA,March 28--31,1999.
8Vermette, P. (1994). Four Fatal Flaws: Avoiding the Common Mistakes of Novice Users of Cooperative Learning, The High School Journal--Feb/March.
9Hodge, B. (1981) Communication and Teachers, p. 9.
