S. P. Kusuma, Y. Pratikno, K. Taufik, and I. Kurniawan, “Determinants of Post-Training Performance at PT Sinergi Unggul Berdikari: The Impact of Competence, Motivation, and Work Discipline”, Indones. J. Econ. Rev., vol. 6, no. 3, pp. 1129–1138, Sept. 2026, doi: 10.59431/ijer.v6i3.906.