Suharna, Suharna, and Syamsuri Syamsuri. “The Influence of Audit Quality, Good Corporate Governance, and Operational Efficiency on Company Profitability:”. Indonesian Financial Review 5, no. 2 (January 13, 2026): 516–531. Accessed January 20, 2026. https://ypppal-amsi.or.id/penelitian/index.php/IFR/article/view/119.