Fatoni, M., A. A. Syaukani, P. Indarto, I. N. Saputro, and I. H. Musyfiroh. “Psychosocial Predictors of Academic Achievement in Physical Education Among Indonesian University Students: Testing the Mediating Role of Mental Toughness”. Physical Education and Sports: Studies and Research, vol. 4, no. 3, Dec. 2025, pp. 291-0, doi:10.56003/pessr.v4i3.624.