Romadhoni, D. L., S. S. Rahardjo, and D. Indarto. “Biopsychosocial Factors Affecting the Risk of Musculoskeletal Disorders in Surakarta, Central Java”. Journal of Epidemiology and Public Health, vol. 3, no. 3, Aug. 2018, pp. 361-8, https://www.jepublichealth.com/index.php/jepublichealth/article/view/92.