Ar Rassyid, C., V. Sistiasih, G. Jariono, and H. Nugroho. “The Effect of Target Area Training on Open Smash Accuracy in Volleyball Players”. Sport Science, Vol. 26, no. 2, July 2026, pp. 39-46, http://sportscience.ppj.unp.ac.id/index.php/jss/article/view/323.