“Improving Student Learning Outcomes in Martial Arts Materials through Learning Videos in Grade IX at Smpn 2 Banjarbaru”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, vol. 17, no. 2, July 2025, pp. 741-8, https://doi.org/10.26858/cjpko.v17i2.72402.