Firmansyah, Fakhrur Rizal, and Ladipin. “THE IMPACT OF UNDERHAND PASSING TRAINING USING A WALL BOUNCE TARGET ON VOLLEYBALL PLAYING SKILLS IN CLASS XI STUDENTS OF SMA NEGERI 2 LAWE SIGALA-GALA”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 4, no. 7 (June 25, 2025): 3993–3999. Accessed April 27, 2026. https://ijset.org/index.php/ijset/article/view/1278.