Karami taleghani,F. , , Vatanparast,. M. , , Rezazadeh,. J. , and Azadi,. K. . "Organizational Concentration and Efficiency of Internal Capital Markets of Business Groups in Resource Allocation and Performance; Emphasizing the Moderating Role of Environmental Uncertainty" .e168606 , Applied Research in Financial Reporting, 11, 2, 2023, e168606.