Sormin, Feber, and Titik Aryati. “Earnings Quality: Impact of Income Smoothing, Earnings Persistence, Book Tax Difference With Good Corporate Governance As Moderation”. International Journal of Emerging Trends in Social Sciences 11, no. 1 (August 26, 2021): 1–9. Accessed January 19, 2022. https://scipg.com/index.php/103/article/view/454.