References
- Bahar , M. , Johnstone , A. H. and Hansell , M. H. 1999 . Revisiting learning difficulties in biology . Journal of Biological Education , 33 : 84 – 86 .
- Concord Consortium . 2001 . BioLogica , Concord Consortium . Retrieved 8 October, 2001
- Horwitz , P. and Tinker , R. 2001 . Pedagogica to the rescue: A short history of hypermodel . Concord Newsletter , 5 : 1 – 4 .
- Tsui , C.-Y. and Treagust , D. F. Teaching and learning reasoning in genetics with multiple external representations . The Annual Meeting of the Australian Association for Research in Education (AARE) . December 2001 , Fremantle, Australia.
- Tsui , C.-Y. and Treagust , D. F. Social/affective dimension in learning genetics with multiple representations in secondary biology . Annual Meeting of the National Association for Research in Science Teaching (NARST) . New Orleans, USA.