Nurhafizhah, T, I H Susilowati, A Maulana, and M F Habibullah. “Safety and Fatigue Risk Factors Among Online Motorcycle Drivers in Depok City, Indonesia”. KnE Life Sciences 4, no. 5 (June 19, 2018): 702–708. Accessed May 2, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/2600.