Sitanggang, Charles Tua, Muliyadi Hamid, and Sadly Abdul Djabar. “Employee Competency Development in the Personnel and Human Resources Development Agency: JEL Classification: O15, O19, M53, D73, H83, I28, J45”. Journal La Bisecoman 6, no. 2 (June 21, 2025): 326-339. Accessed May 6, 2026. https://newinera.com/index.php/JournalLaBisecoman/article/view/2134.