Atabaki, M. (2003). Organizing Models in Holding Organizations. Tadbir Journal, 14 (139): 40-46. (in Persian)
Ataie, M. (2009). Fuzzy Multi Attribute Decision Making. Shahrood Industrial University, (1 ed). Iran, Shahrood: Shahrood University Press. (in Persian)
Azar, A. & Faraji, H. (2007). Fuzzy Management Science. Iranian Center of Management and Productivity Studying. (4 ed). Tehran: Mehrban Nashr Press. (in Persian)
Babaie, M. Hedayati, S. (2006). Synergy in Holding Organizations. 5 (17 & 18). 133-158 (in Persian)
Banerjee, S. & Roy, T. K. (2012). Arithmetic Operations on Generalized Trapezoidal Fuzzy Number and its Applications. Turkish Journal of Fuzzy Systems, 3 (1): 16-44.
Coffin, M.A. & Taylor, B.W. (1996). Multiple criteria R&D project selection and scheduling using fuzzy logic. Computers Operation Research, 3 (23): 207– 220.
Delgado, M., Verdegay, J.L. & Vila, M.A. (1993). Linguistic decision making models. International Journal of Intelligent Systems, 7 (5): 479–492.
Hanafizadeh, L.A. (1965). Fuzzy set. Information and Control, (8): 338– 353.
(in Persian)
Hanafizadeh, P. & Rezaie, M. (2007). E-Commerce (Definitions, Barriers and Solutions). Tehran: Jihad University, Sharif Branch. (in Persian)
Herrera, F., Herrera, E., Viedma, J. & Verdegay, L. (1996). A model of consensus in group decision making under linguistic assessments. Fuzzy Sets and Systems, 1 (78): 73– 87.
Kuchta, D. (2001). A fuzzy mode for R&D project selection with benefit, outcome and resource. The Engineering Economist, 46 (3): 164-180.
Lin, C. & Hsieh, P.J. (2004). A fuzzy decision support system for strategic portfolio management. Decision Support Systems, 38 (3): 383– 398.
Machacha, L.L. & Bhattacharya, P. (2000). A fuzzy logic based approach to project selection. IEEE Transactions on Engineering Management, 47 (1): 65– 74.
Merriam-Webster. (2005). Merriam-Webster's Collegiate Dictionary (11th ed.). Springfield, MA: Merriam-Webster.
Noravesh, A. (2004). Comprehensive Book of Accounting and Finance. Tehran: University Press. Tehran. Iran (in Persian)
Parsaeeian, A. & Arabi, M. (2001). Management Fundamentals. Office of Cultural Studies Press. (4 ed). Tehran. Iran. (in Persian)
Penros, E. T. (1959). The Theory of Growth of the Firm. Oxford University Press. New York.
Porter, M.E. (1987). From Competitive Advantage to Corporate. Harvard Business Review. 65 (3).
Prahalad, C. & Doz, Y. (1987). The multi-national mission: Balancing local demands and global visions. New York, NY: Free Press.
Rasmy, M.H., Lee, S.M., Abd El-Wahed, W.F., Ragab, A.M. & El-Sherbiny, M.M. (2002). An expert system for multi objective decision making: application of fuzzy linguistic preferences and goal programming. Fuzzy Sets and Systems, 12 (127): 209– 220.
René, M. (1989). Ancestors and family: the birth of a myth. Jacob Levy Moreno. 1889-1974: Father of psychodrama, sociometry, and group psychotherapy. Rutledge Press.
Rezaeeian, A. (2001). Fundamentals of Organizational Behavior Management. Samt Press. Tehran (in Persian)
Smith, C.E. (2011). Who Stole My Synergy? The Human Factors That Make Mergers works. Available in: http://libraryofprofessionalcoaching.com/ concepts /managing-stress-and-challenges/who-stole-my-synergy.
US Department of Energy, (1993). Public Utility holding Company Act of 1935-1992. Washington DC. 20585