NUR, Irawati; ABDULLAH, A. Ruslan; DINSAR, Arfandy. Optimizing Employee Performance through Strengthening Training Competencies and Implementing Effective Leadership: A Study at PT PLN Nusantara Power UP Punagaya Jeneponto. International Journal of Economic, Finance and Business Statistics, [S. l.], v. 4, n. 5, p. 721–730, 2026. DOI: 10.59890/ijefbs.v4i5.49. Disponível em: http://journalijefbs.my.id/index.php/ijefbs/article/view/49. Acesso em: 2 nov. 2026.