Badaruzzaman, Ahmad, et al. “Tingkat Kebugaran Jasmani Siswa Ekstrakurikuler Bola Voli Berdasarkan Tes Kebugaran Pelajar Nusantara”. Jurnal Simki Postgraduate, vol. 5, no. 1, July 2026, pp. 22-33, https://doi.org/10.29407/jspg.v5i1.1742.