Dr Lakhdar Boumarhab, Dr Sami Fouad Brek, Dr: Hicham zerrouki, and Dr Nabil Guebli, “The Concept of International Trade and Solutions to International Supply Chain Crises”, Cad. Pós-Grad. Direito Polít. Econ., vol. 26, no. 2, pp. 766–777, Aug. 2026.