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<xml><bibliography><APA>Prariyada Theptat และผู้แต่งคนอื่นๆ. (2013) The effect of chelating agent Type on equilibrium solubility of calcium and magnesium soap scum in different surfactant systems. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Prariyada Theptat และผู้แต่งคนอื่นๆ. 2013. The effect of chelating agent Type on equilibrium solubility of calcium and magnesium soap scum in different surfactant systems. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Prariyada Theptat และผู้แต่งคนอื่นๆ.  The effect of chelating agent Type on equilibrium solubility of calcium and magnesium soap scum in different surfactant systems.  ม.ป.ท.:Chulalongkorn University, 2013. Print.</MLA></bibliography></xml>
