Debi Krisna Irawan, Chairul Umam Ramadhan, Rafdlal Saeful Bakhri, and Moch. Latif, “Kinerja Wasit Bola Voli Indoor Ditinjau Dari Perbedaan Gender”, Biormatika, vol. 6, no. 02, pp. 55–60, Sep. 2020.