Abelson, H., & Di Sessa, A. (1984). Turtle geometry: The computer as a medium for exploring mathematics. Cambridge, Mass.: MIT.
Citación estilo ChicagoAbelson, Harold, y Andrea Di Sessa. Turtle Geometry: The Computer As a Medium for Exploring Mathematics. Cambridge, Mass.: MIT, 1984.
Cita MLAAbelson, Harold, y Andrea Di Sessa. Turtle Geometry: The Computer As a Medium for Exploring Mathematics. Cambridge, Mass.: MIT, 1984.
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