Montolalu, I. A., and R. Z. Sjaaf. “Ergonomic Seating in Offices and Recent Trends to Prevent Work-Related Musculoskeletal Disorders (WMSDs), A Literature Study”. KnE Life Sciences, Vol. 4, no. 5, June 2018, pp. 555–565, doi:10.18502/kls.v4i5.2584.