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<xml><bibliography><APA>Moustfa Fawzy EISSA. (2014) A Study of the Effect of Etching Time on the Optical Properties of Irradiated CR-39 Polymer. &lt;i&gt;Walailak Journal of Science and Technology&lt;/i&gt;, &lt;i&gt;11&lt;/i&gt;(9), 751.</APA><Chicago>Moustfa Fawzy EISSA. "A Study of the Effect of Etching Time on the Optical Properties of Irradiated CR-39 Polymer". Walailak Journal of Science and Technology  11 (2014):751.</Chicago><MLA>Moustfa Fawzy EISSA. A Study of the Effect of Etching Time on the Optical Properties of Irradiated CR-39 Polymer. Walailak University:ม.ป.ท. 2014.</MLA></bibliography></xml>
