Nawawi, R. ., B. . Deros, D. . Daruis, A. . Ramli, R. . Zein, and L. . Joseph. “Effects of Payment Method on Work Control, Work Risk and Work-Related Musculoskeletal Health Among Sewing Machine Operators”. Journal of Mechanical Engineering and Sciences, vol. 9, Dec. 2015, pp. 1705-13, doi:10.15282/jmes.9.2015.16.0164.