Shafika Mohamad, S. et al. 2018. A Review on Prevalence and Risk Factors of Musculoskeletal Disorders (Msds) Among VDT Users. International Journal of Engineering & Technology. 7, 3.20 (Sep. 2018), 30–34. DOI:https://doi.org/10.14419/ijet.v7i3.20.18726.