Mannayong, Jumalia, and Rudi Salam. “THE ROLE OF MANAGERIAL FUNCTIONS IN SUPPORTING MODERN OFFICE ADMINISTRATION SERVICES”. Jurnal Administrasi Negara 27, no. 3 (December 31, 2021): 270–292. Accessed May 6, 2024. http://journal.stialanmakassar.ac.id/index.php/jurnal_administrasi_negara/article/view/1458.