South African OR society.
Science, Math, Operations Research, Professional Organizations - ORSSA. South African OR society.
https://www.orssa.org.za/
Italian OR society.
Joomla - the dynamic portal engine and content management system
https://www.airo.org/
French OR society.
La socit franaise de Recherche Oprationnelle et d'Aide la Dcision (ROADEF) regroupe les chercheurs et les industriels s'intressant aux diffrentes disciplines de la Recherche Oprationnelle (RO): l'optimisation combinatoire, l'ordonnancement, l'aide la dcision, la modlisatoin stochastique et l'valuation de performances
https://www.roadef.org/
Society for Judgment and Decision Making Home Page
Science, Math, Operations Research, Professional Organizations - Society for Judgment and Decision Making Home Page. An interdisciplinary academic organization dedicated to the study of normative, descriptive, and prescriptive theories of decision.
https://sjdm.org/