[1] Markwotiz, H. (1952). Portfolio selection. Journal of finance, 7, 77-91.
[2] Khanjarpanah, H., Pishvaee, M. S., & Jabbarzadeh, A. (2017). Optimizing a flexible constrained portfolio in stock exchange with fuzzy programming. Journal of operational research and its applications (journal of applied mathematics), 13(4), 39-54.
[3] Shams Lahroudi, S. H., Ahmadi, H., & Fekrvand Lilabadi, M. (1397). Provide a ranking model of effective factors in selecting the optimal portfolio by investors with integrated fuzzy MCDM techniques. New research approaches in management and accounting, 8(2), 87-100.
[4] Zadeh, L. A. (1965). Information and control. Fuzzy sets, 8(3), 338-353.
[5] Fallahpour, S., Safari, H., & Omrani, N. (2014). Portfolio selection using combination of logarithmic fuzzy preference programming method and PROMETHEE. Journal of financial management strategy, 2(2), 103-120.
[6] Jafaria, M., & Dezfouli Khajehzadeh, M. (2015). Robust fuzzy multi objective optimization model for portfolio selection. Journal of decision engineering, 1(1), 31-56. DOI: 10.22051/JFM.2015.985
[8] Ghehi, A. S., Didehkhani, H., Damghani, K. K., & Saeedi, P. (2017). A comparative study of multi-objective multi-period portfolio optimization models in a fuzzy credibility environment using different risk measures. Journal of financial management strategy, 5(18).
[10] Nabizade, A., & Behzadi, A. (2018). Higher moments portfolio optimization with entropy based polynomial goal programming. Financial research journal, 20(2), 193-210.
[11] Nabavi Chashmi, A., Yousefi Kerchangi, R. (2011). Determination of optimal portfolio using fuzzy goal programming technique. Financial engineering and securities management, 2(9), 107-134.