Dr Ghulam Mustafa, Professor Dr. Syed Tahir Hijazi. The Roll of Servqual Model in Islamic Banking System and Islamic Banking Windows: A Comparative Analsis. AQ [Internet]. 2022Jul.5 [cited 2026Sep.25];27(1):416-30. Available from: https://alqalamjournalpu.com/index.php/Al-Qalam/article/view/2156