ที่มาข้อมูล

      http://www.kmitl.ac.th/agritech/nutthakorn/04090035_2202/multiweb/printed/3.htm
                        http://www.thaiedresearch.org/result/result.php?id=5138
                        www.krirk.ac.th/faculty/Communication_arts/truexpert/@information/cm3205/present05.ppt

                        http://www.pantown.com/board.php?id=5111&area=1&name=board1&topic=13&action=view
                        http://www.thaigoodview.com/node/8716
                        http://www.geocities.com/vilaiporn_narak/to1.htm
                        http://missthalassemia.exteen.com/20060927/y-y