Spikell, M. A. (1993). Teaching mathematics with manipulatives: A resource of activities for the K-12 teachers. Allyn and Bacon.
Citace podle Chicago (17th ed.)Spikell, Mark A. Teaching Mathematics with Manipulatives: A Resource of Activities for the K-12 Teachers. Boston: Allyn and Bacon, 1993.
Citace podle MLA (9th ed.)Spikell, Mark A. Teaching Mathematics with Manipulatives: A Resource of Activities for the K-12 Teachers. Allyn and Bacon, 1993.
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