KUMORO, Joko. Perkantoran dalam Administrasi. Efisiensi : Kajian Ilmu Administrasi, [S. l.], v. 6, n. 2, 2015. DOI: 10.21831/efisiensi.v6i2.3858. Disponível em: https://journal.uny.ac.id/index.php/efisiensi/article/view/3858. Acesso em: 12 may. 2025.