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https://creativecommons.org/licenses/by-sa/3.0
CC BY-SA 3.0
Creative Commons Attribution-Share Alike 3.0
truetrue
{{Information |Description ={{en|1=pdf version of english wikibook on Calculus}} |Source =see english wikibook on Calculus |Author =see english wikibook on Calculus |Date =24 March 2011 |Permission = |other_versions = }}
. The description on its 
