Azzahra, Azzahra, Suhardi Suhardi, and Mat Amin. “The Effect of Tax Expenses, Profit Volatility, and Cash Holding on the Quality of Profits of Companies in the Basic Industry and Chemical Sectors”. Economic: Journal Economic and Business 4, no. 2 (April 30, 2025): 160–169. Accessed July 5, 2025. https://jurnal.larisma.or.id/index.php/EJEB/article/view/1003.