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3. California Department of Education. (2009). PE framework for California schools. http://www.cde.ca.gov /ci/pe/cf/documents/peframework2009.pdf#search=PE%20framework%20for%20California%20schools&view=FitH&pagemode=none
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5. Collaborative for Academic, Social, and Emotional Learning. (2015). What is Social and Emotional Learning? http://www.casel.org /social-and-emotional-learning/