Harman, Rika. “Pengaruh Website Cinema 21 Terhadap Loyalitas Pengunjung (Studi Kasus Cinema 21 Kota Batam)”. Computer Based Information System Journal 3, no. 2 (March 7, 2015). Accessed May 2, 2024. https://ejournal.upbatam.ac.id/index.php/cbis/article/view/402.