Grau, Alfredo, and Araceli Reig. “Operating Leverage and the Cost of Debt in European Agri-Food Firms”. Spanish Journal of Agricultural Research 18, no. 3 (December 29, 2020): e0109. Accessed May 3, 2025. https://sjar.revistas.csic.es/index.php/sjar/article/view/16254.