Salman, Muhmmad, Ahmad Nasrulloh, and Fatkurahman Arjuna. “The Association Between Physical Activity and Loneliness Among International Students in Java”. Physical Education Theory and Methodology 26, no. 3 (May 30, 2026): 630–637. Accessed August 25, 2026. https://www.tmfv.com.ua/journal/article/view/4227.