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<xml><bibliography><APA>Le Viet Tien และผู้แต่งคนอื่นๆ. (2009) Impacts of voltage sags and protection coordination on sensitive equipment in distribution systems. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Le Viet Tien และผู้แต่งคนอื่นๆ. 2009. Impacts of voltage sags and protection coordination on sensitive equipment in distribution systems. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Le Viet Tien และผู้แต่งคนอื่นๆ.  Impacts of voltage sags and protection coordination on sensitive equipment in distribution systems.  ม.ป.ท.:Chulalongkorn University, 2009. Print.</MLA></bibliography></xml>
