This book constitutes the refereed proceedings of the 38th Argentinian Meeting on Operations Research - 36th Operations Research School, ENDIO-EPIO 2025, Bah a Blanca, Argentina, October 22-24, 2025, Proceedings.
The 17 full papers included in these proceedings were carefully reviewed and selected from 50 presented contributions out of 53 submissions. They were organized in the following topical sections: Data Analytics and Simulation; Multicriteria Decision Making; Optimization and Heuristics Models for Decision-Making.