Bikas, Egidijus, and Algimantas Laurinavičius. “Aspects and Facilities of Financial and Real Estate Investment Portfolio Formation”. Business: Theory and Practice 10, no. 2 (May 29, 2009): 118-129. Accessed November 21, 2024. https://btp.vgtu.lt/index.php/BTP/article/view/9036.