<?xml version="1.0" encoding="UTF-8"?>
<xml><bibliography><APA>Boonyisa Suksomboon และผู้แต่งคนอื่นๆ. (2015) Enhancing petroleum hydrocarbon removal efficiency in soil washing process by adding biosurfactant. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Boonyisa Suksomboon และผู้แต่งคนอื่นๆ. 2015. Enhancing petroleum hydrocarbon removal efficiency in soil washing process by adding biosurfactant. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Boonyisa Suksomboon และผู้แต่งคนอื่นๆ.  Enhancing petroleum hydrocarbon removal efficiency in soil washing process by adding biosurfactant.  ม.ป.ท.:Chulalongkorn University, 2015. Print.</MLA></bibliography></xml>
