Jayanti, Ansri, Tasrim Tasrim, and Nina Fapari Arif. “Determining Customer Satisfaction on Telkomsel Card User in Belopa City, Luwu Regency”. Jurnal Mantik 5, no. 1 (May 1, 2021): 223-229. Accessed April 17, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/1177.