Cuong, N. M. ., K. . Chelabi, N. . Hadziahmetovic, N. G. . Sateeshchandra, and T. . Nghiem. “Institutional Constraints and Reform: European Union’s Responses to the Ukraine Conflict Challenges”. International Journal of Innovative Research and Scientific Studies, vol. 8, no. 1, Feb. 2025, pp. 1254-66, doi:10.53894/ijirss.v8i1.4577.