Adlnia, Fatemeh, et al. “Identification and Explanation of the Dimensions and Components of Abnormal Audit Fees: Developing a Conceptual Model Using the Meta-Synthesis Method”. Business, Marketing, and Finance Open, vol. 3, no. 3, May 2026, pp. 1-22, https://www.bmfopen.com/index.php/bmfopen/article/view/618.