APO Productivity Databook 2009; Asian Productivity Organization; 2009, OECD Compendium of Productivity Indicators; Organization for Economic Co-operation and Development.
Axelsson, J.R.C., 2000. Quality and Ergonomics—towards successful integration. Doctoral Thesis, Dissertation No. 616, Quality and Human Systems Engineering, Linko¨ ping University, Linko¨ ping)
Escorpizo, R., 2008. Understanding work productivity and its application to work related musculoskeletal disorders. International Journal of Industrial Ergonomics 38 (3–4), 291–297
Khoshbakht M, Baghaie M, Hasavari F, Kazemnejad LE, Blourchian MJ. Evaluation of Body posture Ergonomyic during work in intensive care units nurses in teaching hospitals of Guilan University of medical Sciences in Rasht city in 2010. Journal of Nursing and Midwifery Guilan 2011; 65(21): 22-29.
Van der Molen, H.F., Sluiter, J.K., Hulshof, C.T.J., Vink, P., Frings- Dresen, M.H.W., 2005b. Effectiveness of measures and implementation strategies in reducing physical work demands due to manual handling at work. Scand. J. Work Environ. Health 31, 75–87.
Vink, P., Koningsveld, E.A., Molenbroek, J.F., 2006. Positiv outcomes of participatory ergonomics in terms of greater comfort and higher productivity. Appl. Ergon. 37, 537–546