<?xml version="1.0" encoding="UTF-8"?>
<xml><bibliography><APA>Poonchayar Patthanangkoor. (2019) RG-Isomorphism and Its Properties. &lt;i&gt;Thai Journal of Science and Technology&lt;/i&gt;, &lt;i&gt;8&lt;/i&gt;(3), 212-219.</APA><Chicago>Poonchayar Patthanangkoor. "RG-Isomorphism and Its Properties". Thai Journal of Science and Technology  8 (2019):212-219.</Chicago><MLA>Poonchayar Patthanangkoor. RG-Isomorphism and Its Properties. Thammasat University:ม.ป.ท. 2019.</MLA></bibliography></xml>
