The Effect Of Anaerobic Ability Training On Some Metabolic Stress Outcomes (Urea, Ammonia) And Complex Skill Performance Endurance In Young Boxers. Jurnal Pendidikan Kepelatihan Olahraga: PEJUANG, [S. l.], v. 2, n. 3, p. 75–86, 2026. DOI: 10.66968/pejuang. Disponível em: https://journalpejuang.web.id/index.php/jurnalpkopejuang/article/view/160. Acesso em: 25 aug. 2026.