Zainudin, Mahfud. 2021. “The Effect of Hanging Ball Training on the Success of Smash Volley Ball Games”. Prosiding Seminar Nasional Pendidikan Jasmani Dan Kesehatan 1 (1), 300-305. http://ejournal.fkip.unsri.ac.id/index.php/semnaspenjas/article/view/214.