Wulandari, Cahyani, Agus Kristiyanto, and Rony Syaifullah. “Optimism and Causal Analysis in Adventure Motorcycling: An Investigation of athletes’ Resilience”. Journal Sport Area 8, no. 2 (July 13, 2023): 251–260. Accessed July 3, 2024. https://journal.uir.ac.id/index.php/JSP/article/view/12493.