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Continue to ChatSaylor Academy hosted textbooks now in HTML and editable by anybody https://www.saylor.org/2015/03/blog-saylor-academy-hosted-textbooks-now-in-html-and-editable-by-anybody/
Saylor Academy hosted textbooks now in HTML and editable by anybody https://www.saylor.org/2015/03/blog-saylor-academy-hosted-textbooks-now-in-html-and-editable-by-anybody/