Palomino-Arias, Medardo Alfonso. “Fel’dman Model and the ‘Kalashnikov Economy’: Resilience and Limits of Russia’s War in Ukraine”. Sociedad y Economía, no. 58 (August 31, 2026): e20214701. Accessed September 5, 2026. https://sociedadyeconomia.univalle.edu.co/index.php/sociedad_y_economia/article/view/14701.