Simanungkalit, Jesica, and Yovani Sitepu. “Ergonomic Hazards and Musculoskeletal Disorders Among Tea Farmers”. Jurnal Penelitian Perawat Profesional 2, no. 4 (September 29, 2020): 483-494. Accessed May 19, 2026. https://jurnal.globalhealthsciencegroup.com/index.php/JPPP/article/view/196.