2A. L. Chandrasegaran,David F. Treagust,Mauro Mocerino.An Evaluation of a Teaching Intervention to Promote Students’ Ability to Use Multiple Levels of Representation When Describing and Explaining Chemical Reactions[J].Research in Science Education.2008(2)
3A.H.Johnstone.The Development of Chemistry Teaching; A Chang Response to Changing Demand[].Journal of Chemical Education.1993
4National Research Council.The National Science Education Standards[]..1996
5VICENTE TALANQUER.Macro,submicro,and symbol-ic:The many faces of the chemistry"triplet"[].Interna-tional Journal of Science Education.2011
