1. Collins, Duschl, Millar, Osborne and Ratcliffe. 2001. What ‘ideas about science’ should be taught in school science?A Delphi study of the expert.,
2. European Community. White paper on education and training: Teaching and learning - Towards the learning society (White paper). Luxembourg: Office for Official Publications in European Countries. Paper presented at the annual conference of the National Association for Research in Science Teaching (NARST). March.26–28, St Louis.