Hassan, Amira Bushra Ali. (2015). '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), pp. 23-81. doi: 10.21608/jces.2015.51646