M. Zuppiroli, “Recent developments in agri-food commodity prices and the impact of financial speculation”, Progr Nutr, vol. 17, no. 1, pp. 23–35, Oct. 2014, Accessed: Apr. 22, 2025. [Online]. Available: https://mattioli1885journals.com/index.php/progressinnutrition/article/view/3513