Fatah, Muhammad, and M. Sulthon Abdillah. “Evaluation Of The Fitness Level Of Elementary School Students Using Vo2max Through Multi-Stage Fitness Test Methodevaluation Of The Fitness Level Of Elementary School Students Using Vo2max Through Multi-Stage Fitness Test Method”. Proceeding of International Joint Conference on UNESA, vol. 3, no. 1, Aug. 2025, pp. 128-33, https://proceeding.unesa.ac.id/index.php/pijcu/article/view/6238.