Ali, Ahmad rayhan. “Analysis of Solvency Ratios and Profitability Ratios to Measure The Financial Performance of Aviation Sector Companies for The Period 2018 -2022”. Indonesian Financial Review 4, no. 1 (September 8, 2024): 18–29. Accessed November 17, 2024. http://ypppal-amsi.or.id/penelitian/index.php/IFR/article/view/33.