Andriyanto, Imam, 		Saputro, Yulius, AND 		Iwandana, Dody.
" Pengaruh Latihan Beban Bola Kasti Berpasir Terhadap Kemampuan Servis Atas Bola Voli Siswa Kelas XI Multimedia I SMK Negeri Batumarta" <em>Gerak: Journal of Physical Education, Sports, and Health</em> [Online], Volume 3 Number 2 (31 July 2023)