Vivi Oktapia, Nurul Inayati, Siti Zaetun, and Agrijanti. “Gambaran Kadar Protein Urine Pada Atlet Sepak Bola Berdasarkan Frekuensi Latihan”. Journal of Indonesia Laboratory Students (JILTS) 3, no. 2 (October 25, 2024). Accessed April 19, 2026. https://www.jilts.poltekkes-mataram.id/index.php/home/article/view/140.