Wirot Chanthorn และ Chompusakdi Pulket. (2011) The prevalence and risk factors of work related musculoskeletal disorders among production workers in a pharmaceutical industry. Mahidol University:ม.ป.ท.Wirot Chanthorn และ Chompusakdi Pulket. 2011. The prevalence and risk factors of work related musculoskeletal disorders among production workers in a pharmaceutical industry. ม.ป.ท.:Mahidol University;Wirot Chanthorn และ Chompusakdi Pulket. The prevalence and risk factors of work related musculoskeletal disorders among production workers in a pharmaceutical industry. ม.ป.ท.:Mahidol University, 2011. Print.