ع عدنان محمود Member Mar 21, 2012 #1 http://www.amazon.com/Fennemas-Chemistry-Fourth-Science-Technology/dp/0849392721 او http://www.crcpress.com/product/isbn/9780849392726
http://www.amazon.com/Fennemas-Chemistry-Fourth-Science-Technology/dp/0849392721 او http://www.crcpress.com/product/isbn/9780849392726