Verry, V., A. HAQ, and Lasimin. “ANALISIS KUALITAS LAYANAN ONLINE PUBLIC ACCESS CATALOG (OPAC) TERHADAP KEPUASAN PENGGUNA DI UNIVERSITAS NAHDLATUL ULAMA AL GHAZALI (UNUGHA) CILACAP MENGGUNAKAN METODE E-SERVQUAL”. Journal of Informatics and Computer Sciences, Vol. 1, no. 1, Aug. 2022, pp. 1-7, https://jurnal.unugha.ac.id/index.php/jnc/article/view/374.