Natasya Lintang Amanda et al. 2026. 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. 3, 3 (Sept. 2026), 137–148. DOI:https://doi.org/10.61132/ijema.v3i3.1322.