YUSUF, M.; TIRTAYASA, S. Employee competence, leadership style and employee performance: mediating role of work motivation at PT Perkebunan Nusantara IV Regional VI. TAMBUN – Theory and Application in Management, Business, and the Unity of Nations, [S. l.], v. 2, n. 01, p. 13–22, 2026. Disponível em: https://ejournal.cria.or.id/index.php/TAMBUN/article/view/446. Acesso em: 8 jul. 2026.