Ramadhan, M.I. and Sriminarti, N. 2025. The Influence of Leadership and Competency Development on Employee Performance at PT Sustraco Adikreasi. Amkop Management Accounting Review (AMAR). 5, 2 (Jul. 2025), 266–272. DOI:https://doi.org/10.37531/amar.v5i2.2807.