Harman, Rika. “Pengaruh Trouble Ticketing System Terhadap Kepuasan Pelanggan (Studi Kasus PT Solusindo Bintang Pratama Batam Jasa Internet Service Provider/ISP)”. Computer Based Information System Journal 2, no. 1 (March 6, 2014). Accessed April 27, 2024. https://ejournal.upbatam.ac.id/index.php/cbis/article/view/367.