Aminudin, R., M. Habibie, and A. T. Fitrianto. “Improving the Learning Outcomes of Lower Passing Skills through the Modified Method of Volleyball Game Class Viii”. Journal Activator, vol. 2, no. 2, Sept. 2024, pp. 18-23, https://journal-activator.borneokinetic.com/activator/article/view/61.