Clements, D. H., & Sarama, J. Engaging young children in mathematics standards for early childhood mathematics education.
Chicago Style (17. basım) AtıfClements, Douglas H., ve Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.
MLA (8th ed.) AtıfClements, Douglas H., ve Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.
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