PURNAMA SARI, D.; ANGGRAWENI , Y. Impact Of Information Tehcnology Implementation Operational Efficiency in UMKM . Smart International Management Journal, [S. l.], v. 1, n. 3, p. 21–28, 2024. DOI: 10.70076/simj.v1i3.42. Disponível em: https://heijournal.id/index.php/simj/article/view/42. Acesso em: 19 feb. 2026.