“Improving Basic Underhand Passing Technique through Paired Training Among Volleyball Players of the Spenra Lumajang Club”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga 18, no. 1 (February 10, 2026): 0539–0552. Accessed February 10, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/539.