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Utilization of an Inclined Plane to Increase the Efficiency of Forward Roll on Class IV Students at Paringin 2 State Elementary School. Compet. J. Pendidik. Kepelatihan Olahraga. 2025;17(2):1099-1110. Accessed March 19, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/66