Enjel Kirana, and Raffly Henjilito. “Tingkat Vo2 Max Pemain Tim Futsal Putra Ekstrakurikuler UPT SMPN 1 Siak Hulu”. Integrated Sport Journal (ISJ) 3, no. 2 (May 30, 2025): 97–101. Accessed July 17, 2025. https://www.ejournal.indrainstitute.id/index.php/isj/article/view/1212.