JEINVANNY GITHA THEOSENDY TARIGAN; RYNDIAN GUSTY. THE ROLE OF MANAGEMENT INFORMATION SYSTEMS IN IMPROVING OPERATIONAL EFFICIENCY IN CAFE ATEKU BUSINESSES. Asian Journal of Islamic Economic Studies, [S. l.], v. 3, n. 1, p. 23–31, 2026. DOI: 10.32939/aicos.v3i1.6696. Disponível em: https://ejournal.iainkerinci.ac.id/index.php/acs/article/view/6696. Acesso em: 2 apr. 2026.