<?xml version="1.0" encoding="UTF-8"?>
<xml><bibliography><APA>Mingkwan Wannaborworn และ Bunjerd Jongsomjit. (2013) Copolymerization of ethylene/1-olefin with titanocene and zirconocene catalysts in homogeneous system. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Mingkwan Wannaborworn และ Bunjerd Jongsomjit. 2013. Copolymerization of ethylene/1-olefin with titanocene and zirconocene catalysts in homogeneous system. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Mingkwan Wannaborworn และ Bunjerd Jongsomjit.  Copolymerization of ethylene/1-olefin with titanocene and zirconocene catalysts in homogeneous system.  ม.ป.ท.:Chulalongkorn University, 2013. Print.</MLA></bibliography></xml>
