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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 abr 2009 ano - 2009: NGA and CCSO organize the Common Core State Standards Initiative.
Adicionado na linha do tempo:
Timeline of Education
By
Derek
12 out 2017
0
0
723
Data:
28 abr 2009 ano
Agora
~ 16 years ago
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