Amira Bushra Ali Hassan. "Investigating the Role of Voluntary Disclosure in Mitigating Information Asymmetry among Equity Investors in Concentrated Ownership Structures: An Empirical Study", المجلة العلمية للدراسات التجارية والبيئية, 6, ملحق العدد الثانی, 2015, 23-81. doi: 10.21608/jces.2015.51646