HANDOKO, Suryat; PUTRI, Nilda Tri; JONRINALDI, Jonrinaldi. Evaluasi Kualitas Layanan terhadap Operator Telekomunikasi: Tinjauan Perspektif Pelanggan. Jurnal Optimasi Sistem Industri, [S. l.], v. 16, n. 2, p. 140–149, 2017. Disponível em: http://josi.ft.unand.ac.id/index.php/josi/article/view/198. Acesso em: 22 jan. 2025.