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261:β You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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I, the copyright holder of this work, hereby publish it under the following license:
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Yidan Prize for
Education Research Yidan Prize for Education Development
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Click on a date/time to view the file as it appeared at that time.
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Creative
Commons Attribution-ShareAlike 4.0 International
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Add a one-line explanation of what this file represents
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
