Kirikal, Ly, Mart Sorg, and Vello Vensel. “Estonian Banking Sector Performance Analysis Using Malmquist Indexes And DuPont Financial Ratio Analysis”. International Business & Economics Research Journal (IBER) 3, no. 12 (December 1, 2004). Accessed July 17, 2024. https://clutejournals.com/index.php/IBER/article/view/3746.