Imran Khan, Sajid Hussain, and Muhammad Imad-ud-Din Akbar. “Effective Complaint Handling Systems, Customer Loyalty, and Sustainable Financial Performance in Pakistani Banks: A Marketing and Accounting Perspective Using PLS-SM”. Journal of Management Science Research Review 4, no. 5 (December 31, 2025): 67–83. Accessed February 1, 2026. https://jmsrr.com/index.php/Journal/article/view/327.