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- Does the Khan Academy know how to teach? - The Washington Post http://www.washingtonpost.com/blogs/answer-sheet/post/how-well-does-khan-academy-teach/2012/07/25/gJQA9bWEAX_blog.html 191 comments
- Does the Khan Academy know how to teach? - The Washington Post https://www.washingtonpost.com/blogs/answer-sheet/post/how-well-does-khan-academy-teach/2012/07/27/gJQA9bWEAX_blog.html?tid=ss_tw 0 comments
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