KUSWANTORO, Agung; AINI, Kuatina Nur. Perkembangan Surat Niaga di Era Distrupsi (Studi Kasus Di Perusahaan Jasa PT JNE). Efisiensi : Kajian Ilmu Administrasi, [S. l.], v. 16, n. 1, p. 69–77, 2019. DOI: 10.21831/efisiensi.v16i1.24478. Disponível em: https://jurnal.uny.ac.id/index.php/efisiensi/article/view/24478. Acesso em: 8 jun. 2025.