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ISENIndustrial and Systems Engineering (various schools)
ISENInstitut Supérieur d'Électronique du Nord (French: Northern Higher Institute of Electronics)
ISENInstitut Supérieur de l'électronique et du Numérique (French)
ISENIllinois Student Environmental Network (Urbana, IL)
ISENInternet Search Environment Number
ISENInclusion and Special Educational Needs (program; UK)
ISENInterdisciplinary Software Engineering Network (grant)
ISENInternational Symposium on Environmental Nanotechnology