Clements, D. H., & Sarama, J. Engaging young children in mathematics standards for early childhood mathematics education.
Čikaški stil citiranja (17. izdanje)Clements, Douglas H., i Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.
MLA način citiranja (8. izdanje)Clements, Douglas H., i Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.
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