National Council of Teachers of Mathematics & Carpenter, T. P. (1999). Children's mathematics: Cognitively guided instruction. Heinemann.
Citace podle Chicago (17th ed.)National Council of Teachers of Mathematics a Thomas P. Carpenter. Children's Mathematics: Cognitively Guided Instruction. Portsmouth, N.H: Heinemann, 1999.
Citace podle MLA (9th ed.)National Council of Teachers of Mathematics a Thomas P. Carpenter. Children's Mathematics: Cognitively Guided Instruction. Heinemann, 1999.
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