Supranee Pochaka. (2005) Workstation improvement to reduce muscular fatigue of workers in air conditioner factory. Mahidol University,:ม.ป.ท.Supranee Pochaka. 2005. Workstation improvement to reduce muscular fatigue of workers in air conditioner factory. ม.ป.ท.:Mahidol University,;Supranee Pochaka. Workstation improvement to reduce muscular fatigue of workers in air conditioner factory. ม.ป.ท.:Mahidol University, 2005. Print.