Rachmat, Nur, and Alfan Zubaidi. “The Effect of Lumbar Support on Lower Back Pain in Ojek Online Drivers in Solo Indonesia”. Advances in Social Sciences Research Journal 7, no. 6 (June 27, 2020): 362–369. Accessed November 22, 2024. http://116.203.177.230/index.php/ASSRJ/article/view/8413.