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you must distribute your contributions under the same or compatible license as the original. https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative...
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license as the original. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English A slide...
following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any...