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- ...his first six-month phase (commenced in July 2012) will set a baseline and foundation for data driven analysis. Qualitative analysis may commence in January 2013 | [http://www.ck12.org CK12 Open Textbooks]23 KB (3,589 words) - 08:31, 20 September 2013
- ...ks, you might look at the listings on [http://www.ck12.org/flexr/ the CK12 Foundation's] website, many of which have also been reviewed and approved by the [http1 KB (181 words) - 00:36, 14 November 2009