<?xml version="1.0" encoding="UTF-8"?>
<xml><bibliography><APA>Boontum Sikumwong และ Montree Wongsri. (2013) PLANTWIDE CONTROL STRUCTURE DESIGN OF STYRENE MONOMER PLANT. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Boontum Sikumwong และ Montree Wongsri. 2013. PLANTWIDE CONTROL STRUCTURE DESIGN OF STYRENE MONOMER PLANT. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Boontum Sikumwong และ Montree Wongsri.  PLANTWIDE CONTROL STRUCTURE DESIGN OF STYRENE MONOMER PLANT.  ม.ป.ท.:Chulalongkorn University, 2013. Print.</MLA></bibliography></xml>
