Nathasya, Elfrida Nadya, et al. “The Effect of Profitability, Company Size, Solvency, and Public Accounting Firm Size to Audit Delay on Mining Companies”. Valid: Jurnal Ilmiah, vol. 18, no. 1, Feb. 2021, pp. 19-30, https://journal.stieamm.ac.id/valid/article/view/143.