Hasmuddin, Hasmuddin, Hikmad Hakim, Sahabuddin Sahabuddin, and Muh. Adnan Hudain. “Effects of Wall and Individual Underhand Passing Practice on Volleyball Accuracy for Middle School Students”. ETDC: Indonesian Journal of Research and Educational Review 5, no. 2 (March 22, 2026): 1294–1305. Accessed March 26, 2026. https://etdci.org/journal/ijrer/article/view/4493.