Karthikeyan R, D Gnana Senthilkumar. “A Bibliometric Analysis of Service Quality and Customer Perception Research in the Banking Sector”. European Economic Letters (EEL) 15, no. 4 (September 29, 2025): 811–815. Accessed October 13, 2025. https://eelet.org.uk/index.php/journal/article/view/3736.