DARMAWAN, Armin; MULYADI, Mulyadi; FAUZIAH, Fauziah. Evaluasi Kualitas Layanan terhadap Operator Telekomunikasi: Tinjauan Perspektif Pelanggan. Jurnal Optimasi Sistem Industri, [S. l.], v. 16, n. 2, p. 106–111, 2017. DOI: 10.25077/josi.v16.n2.p106-111.2017. Disponível em: https://josi.ft.unand.ac.id/index.php/josi/article/view/194. Acesso em: 27 apr. 2025.