MANGKULLA, Muhammad Rivandy Rifai; FAUZIAH, Sumainah. Analisis Proses Administrasi Perkantoran Dalam Pengadaan Barang Dan Jasa Di PT PLN Nusantara Power Services. Economics And Business Management Journal ( EBMJ ), [S. l.], v. 2, n. 03, p. 147–151, 2025. DOI: 10.66084/ebmj.v2i03.413. Disponível em: https://www.ejournal-rmg.org/index.php/EBMJ/article/view/413. Acesso em: 14 may. 2026.