Widiastuti, H. (2016) “Pengaruh Luas Ungkapan Sukarela dalam Laporan Tahunan terhadap Earnings Response Coefficient (ERC)”, Journal of Accounting and Investment, 5(2), pp. 187–207. Available at: https://journal.umy.ac.id/index.php/ai/article/view/983 (Accessed: 1October2025).