D. A. . Fadjriastuti, S. A. Z. . Fauzi, and G. Pradini, “Implementation of Electronic Customer Relationship Management in Increasing Customer Loyalty of Balifiber Providers”, Int. J. Econ. Soc. Stud., vol. 1, no. 1, pp. 27–33, Jul. 2025, Accessed: Aug. 27, 2025. [Online]. Available: https://ijess.cvodis.com/index.php/ijess/article/view/4