Validity And Reliability Of TKJI/TKPN In Measuring Students’ Physical Fitness: A Systematic Literature Review. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 2, p. 4031–4042, 2026. DOI: 10.26858/cpjok.v18i2.971. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/971. Acesso em: 6 jun. 2026.