KHAIRANI YAHYA; IRAWAN IRAWAN. Evaluation of the Effectiveness of Internal Control for Improving the Quality of Public Services at the Pangkalan Susu Port Authority Office. Harmoni Economics: International Journal of Economics and Accounting, [S. l.], v. 2, n. 3, p. 171–181, 2025. DOI: 10.70062/harmonieconomics.v2i3.310. Disponível em: https://economics.ifrel.org/index.php/HarmoniEconomics/article/view/310. Acesso em: 3 mar. 2026.