Khachatryan, Gnel. “AUDIT MARKET CONCENTRATION ISSUES”. Bulletin of Yerevan University G: Economics 10, no. 1 (28) (April 25, 2019): 63–70. Accessed March 4, 2026. https://journals.ysu.am/index.php/bulletin-ysu-economics/article/view/Vol.10_No.1_2019_pp.063-070.pdf.