Bolla, Margareth Evelyn, Ludfi Djakfar, Achmad Wicaksono, and Cleoputri Al Yusainy. “The Development of Motorcycle Accident Models Based on Riders’ Characters”. Civil Engineering Journal 9 (December 26, 2023): 236–249. Accessed June 27, 2025. https://www.civilejournal.org/index.php/cej/article/view/4233.