Levenson, E., Tirosh, D., & Tsamir, P. (2011). Preschool Geometry: Theory, Research, and Practical Perspectives. SensePublishers. https://doi.org/10.1007/978-94-6091-600-7
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Chicago-čujuhus (17. p.)
Levenson, Esther, Dina Tirosh, juo Pessia Tsamir. Preschool Geometry: Theory, Research, and Practical Perspectives. Rotterdam: SensePublishers, 2011. https://doi.org/10.1007/978-94-6091-600-7.
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MLA-čujuhus (9. p.)
Levenson, Esther, et al. Preschool Geometry: Theory, Research, and Practical Perspectives. SensePublishers, 2011. https://doi.org/10.1007/978-94-6091-600-7.
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