http://www.opentextbook.org/2008/04/08/reasonable-basic-algebra/ Open Text Book is a registry of text book material that is open in accordance with the Open Knowledge Definition (OKD). Sun, 23 Nov 2008 13:51:00 +0000 http://wordpress.org/?v=2.0.4 http://www.opentextbook.org/2008/04/08/reasonable-basic-algebra/#comment-17305 Sun, 17 Aug 2008 14:35:24 +0000 http://www.opentextbook.org/2008/04/08/reasonable-basic-algebra/#comment-17305 <p>pls post more books</p> pls post more books

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