Natasya Lintang Amanda, Febrianty Febrianty, and 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 3, no. 3 (September 30, 2026): 137–148. Accessed November 9, 2026. https://international.areai.or.id/index.php/IJEMA/article/view/1322.