Khakiki, Mohamad, and Setya Wibawa. “PENGEMBANGAN APLIKASI VOLLEYBALL ASSESMENT TOOL UNTUK MENGETAHUI PERFORMA TIM DALAM PERTANDINGAN BOLAVOLI”. IT-Edu : Jurnal Information Technology and Education 6, no. 1 (February 17, 2021): 534-544. Accessed April 26, 2024. https://ejournal.unesa.ac.id/index.php/it-edu/article/view/38478.