NATASYA LINTANG AMANDA; FEBRIANTY FEBRIANTY; AYU NURSARI. The Effect of Human Resource Development, Motivation, and Competency Improvement on Employee Performance at PT Perkebunan Nusantara I Regional 7 Kebun Kedaton. International Journal of Economics, Management and Accounting, [S. l.], v. 3, n. 3, p. 137–148, 2026. DOI: 10.61132/ijema.v3i3.1322. Disponível em: https://international.areai.or.id/index.php/IJEMA/article/view/1322. Acesso em: 9 nov. 2026.