Sugianto, Welly. “Implementasi Importance Performance Analysis Untuk Mengevaluasi Pelayanan Website Bank Umum Di Kota Batam”. Computer Based Information System Journal 3, no. 2 (March 7, 2015). Accessed April 27, 2024. https://ejournal.upbatam.ac.id/index.php/cbis/article/view/404.