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<xml><bibliography><APA>Nopporn Kurustien และ Keerin Mekhora. (2012) Back belt usage for lifting workers: application and effects on muscle performance. Mahidol University:ม.ป.ท.</APA><Chicago>Nopporn Kurustien และ Keerin Mekhora. 2012. Back belt usage for lifting workers: application and effects on muscle performance. ม.ป.ท.:Mahidol University;</Chicago><MLA>Nopporn Kurustien และ Keerin Mekhora.  Back belt usage for lifting workers: application and effects on muscle performance.  ม.ป.ท.:Mahidol University, 2012. Print.</MLA></bibliography></xml>
