SIREGAR, L. R. M.; HUTAPEA, M. E. L.; MALAU, R.; SUSRINI, S.; HARAHAP, A. The Role of Administrative Management Information Systems in Enhancing Operational Efficiency at PT. ABC. International Journal Of Education, Social Studies, And Management (IJESSM), [S. l.], v. 5, n. 2, p. 707–716, 2025. DOI: 10.52121/ijessm.v5i2.757. Disponível em: https://lpppipublishing.com/index.php/ijessm/article/view/757. Acesso em: 2 jun. 2025.