%0 Electronic Source %~ 教育研究集刊 %I 國立台灣師範大學教育學系 %W 國立台灣師範大學教育學系 %T Schema-Based Problem-solving Insturction Experiment of Different Concepts of the Equal Sign to First Graders %! Schema-Based Problem-solving Insturction Experiment of Different Concepts of the Equal Sign to First Graders %A Chia-Huang Chen %U %D 2014 %V -0001 %N 1130