KURNIANTO, Atik. Sistem Pelayanan Customer PT. AKUGROSIR INDONESIA. Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada, [S. l.], v. 8, n. 1, p. 66–73, 2018. Disponível em: https://jst.unsada.ac.id/index.php/jst/article/view/13. Acesso em: 13 jun. 2026.