International Federation of Operational Research Societies (IFORS)
type: Concept
broader: nongovernmental organizations
preferred label: فدراسیون بین‌المللی انجمن‌های پژوهشی عملیاتی @fa

nongovernmental organizations
type: Concept
narrower: International Federation of Operational Research Societies (IFORS)
preferred label: سازمان‌های غیردولتی @fa