Aws Saadon Salman. “Effect of Using KUD Strategy to Learn Overhand Serve and Serve Receive in Volleyball For Students”. Musamus Journal of Physical Education and Sport (MJPES) 7, no. 1 (January 31, 2025): 291-297. Accessed December 22, 2025. http://ejournal.unmus.ac.id/index.php/physical/article/view/6741.