SIREGAR, Lenny Rotua Masriany; HUTAPEA, Maulin Elisabet Laurance; MALAU, Roslin; SUSRINI, Susrini; HARAHAP, Amin. 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: 4 sep. 2025.