Gunawan, Hendra, and Evelyn Octa Lina. “Mandatory and Voluntary Disclosure of Annual Report on Investor Reaction”. International Journal of Economics and Financial Issues 5, no. 1S (July 23, 2015): 311–314. Accessed November 25, 2024. https://mail.econjournals.com/index.php/ijefi/article/view/1395.