Abdel-Maqsoud OE-S. Studying the Impact of Voluntary Disclosure in Light of the Corona Pandemic On the Risk of Collapse the Future Price of Shares in the Egyptian Market by Applying to Companies Listed in the Egx30 Index on the Egyptian Stock Exchange. aja [Internet]. 2026 Jan. 26 [cited 2026 Jan. 29];46(1):107-22. Available from: https://ajajournal.org/aja/article/view/862