Cobb, P. (1994). Learning mathematics: Constructivist and interactionist theories of mathematical development. Kluwer Academic Publishers.
Citace podle Chicago (17th ed.)Cobb, Paul. Learning Mathematics: Constructivist and Interactionist Theories of Mathematical Development. Dordrecht: Kluwer Academic Publishers, 1994.
Citace podle MLA (9th ed.)Cobb, Paul. Learning Mathematics: Constructivist and Interactionist Theories of Mathematical Development. Kluwer Academic Publishers, 1994.
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