1. Learning Mathematics and Logo;Hoyles,1992
2. Situating constructionism;Papert;Constructionism,1991
3. Mindstorms: Children, Computers, and Powerful Ideas;Papert,1980
4. What’s the big idea? Toward a pedagogy of idea power;Papert;IBM Syst. J.,2000
5. How Programming Environment Shapes Perception, Learning and Goals: Logo Vs. Scratch;Lewis,2010