Murhij, A.J. 2026. The Contribution of Mental Fatigue and Cognitive Flexibility to Decision Accuracy During Fast-Break Situations in Youth Handball Players. Indonesian Journal of Education Methods Development. 21, 4 (Sep. 2026), 10.21070/ijemd.v21i4.1077. DOI:https://doi.org/10.21070/ijemd.v21i4.1077.