Mannayong J, Salam R. THE ROLE OF MANAGERIAL FUNCTIONS IN SUPPORTING MODERN OFFICE ADMINISTRATION SERVICES . JAN [Internet]. 2021Dec.31 [cited 2024Dec.14];27(3):270-92. Available from: https://journal.stialanmakassar.ac.id/index.php/jurnal_administrasi_negara/article/view/1458