Sukma, Rivera Pantro, Arfi Rotun Nurtina, and Bonifasius MH Nainggolan. “EFFECT OF DEBT RATIO, LONG-TERM DEBT TO EQUITY, AND FIRM SIZE ON PROFITABILITY”. Journal of Management and Leadership 5, no. 1 (May 26, 2022): 27–37. Accessed June 12, 2025. https://jurnal.tau.ac.id/index.php/jml/article/view/302.