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Improving Underarm Serving Ability in Volleyball Games Through Target Game Approach in Grade 5 Students of SDN 127 Inpres Moncongloe. Compet. J. Pendidik. Kepelatihan Olahraga. 2025;17(1):38-47. Accessed March 19, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/164