Rutkauskas, Aleksandras Vytautas, and Grigorij Žilinskij. “Financial Leverage Usage for Active Management of the Investment Portfolio”. Business: Theory and Practice 11, no. 3 (September 6, 2010): 194-203. Accessed November 24, 2024. https://jbem.vgtu.lt/index.php/BTP/article/view/8873.