Kucukbay, Fusun, and Ceyhun Araz. “Portfolio Selection Problem: A Comparison of Fuzzy Goal Programming and Linear Physical Programming”. An International Journal of Optimization and Control: Theories & Applications (IJOCTA) 6, no. 2 (April 20, 2016): 121–128. Accessed June 27, 2025. https://ijocta.org/index.php/files/article/view/284.