Agboklou, K.E. , Özkan, B. and Gujrati, R. 2025. Geopolitical Instability and the Challenge of Achieving Zero Hunger: The Impact of the Russo-Ukrainian War on Global Food Security. Journal of Sustainable Institutional Management . 12, JSIM (Jun. 2025), e0177. DOI:https://doi.org/10.37497/jsim.v12.id177.2025.