Caldwell, J. H., Karp, K. S., Bay Williams, J. M., Rathmell, E., & Zbiek, R. M. Developing essential understanding of addition and subtraction for teaching mathematics in prekindergarten-grade 2.
Chicago Style (17. basım) AtıfCaldwell, Janet H., Karen S. Karp, Jannifer M. Bay Williams, Ed Rathmell, ve Rose Mary Zbiek. Developing Essential Understanding of Addition and Subtraction for Teaching Mathematics in Prekindergarten-grade 2.
MLA (8th ed.) AtıfCaldwell, Janet H., et al. Developing Essential Understanding of Addition and Subtraction for Teaching Mathematics in Prekindergarten-grade 2.
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