Hesham Yehia 141977 The Impact of Frim Characteristics on Voluntry Disclosure // GP // DR. Zakia Alaa El-Deen (2018) - Giza : MSA 2018 - 110 P. 30 CM. GP140MGT2018ACC Subjects--Topical Terms: Management--Voluntry Disclosure--Accounting Dewey Class. No.: 657