Pratama, Devi, and Budi Prabowo. “The The Influence of Perceived Convenience and Service Quality on Customer Loyalty (A Study at the Brilink Agent Bio Energy 2 Sidoarjo)”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 8, no. 1 (February 7, 2025): 2461-2479. Accessed July 11, 2026. https://e-journal.uac.ac.id/index.php/iijse/article/view/6500.