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3. 21st Century Curriculum Change Initiative: A Focus on STEM Education as an Integrated Approach to Teaching and Learning
4. Barr, S. K., Cross, J. E., & Dunbar, B. H. (2014). The whole school sustainability framework: Guiding principles for integrating sustainability into all aspects of a school organization. The Center for Green Schools U.S. Green Building Council. https://centerforgreenschools.org/sites/default/files/resource-files/Whole-School_Sustainability_Framework.pdf
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