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Category 1

-> International Arctic Social Sayenzi Association (IASSA)

-> International Association of Legal Science (IALS)

-> International Astronomical Union (IAU)

-> International Cartographic Association (ICA)

-> International Commission for Optics (ICO)

-> International Commission on Illumination (CIE)

-> International Council for Industrial and Applied Mathematics (ICAM)

-> International Federation of Societies for Microscopy (IFSM)

-> International Geographical Union (IGU)

-> International Mathematics Union (IMU)

-> International Peace Research Association (IPRA)

-> International Political Science Association (IPSA)

-> International Society for Photogrammetry uye Remote Sensing (ISPRS)

-> International Sociological Association (ISA)

-> International Union yePhysical and Engineering Sayenzi muMishonga (IUPESM)

-> International Union yePure uye Applied Biophysics (IUPAB)

-> International Union yeQuaternary Research (INQUA)

-> International Union yeScientific Study of Population (IUSSP)

-> International Union yeBasic uye Clinical Pharmacology (IUPHAR)

-> International Union yeBiological Sayenzi (IUBS)

-> International Union yeCrystallography (IUCr)

-> International Union yeChikafu Sayenzi neTekinoroji (IUFoST)

-> International Union of Forest Research Organisations (IUFRO)

-> International Union yeGeodesy uye Geophysics (IUGG)

-> International Union yeGeological Sayenzi (IUGS)

-> International Union of History uye Philosophy of Science and Technology (IUHPST)

-> International Union yeImmunological Societies (IUIS)

-> International Union of Materials Research Societies (IUMRS)

-> International Union yeMicrobiological Societies (IUMS)

-> International Union yeNutritional Sayenzi (IUNS)

-> International Union yePhysiological Sayenzi (IUPS)

-> International Union yePsychological Science (IUPsyS)

-> International Union yePure uye Applied Chemistry (IUPAC)

-> International Union yePure uye Applied Fizikisi (IUPAP)

-> International Union yeRadio Science (URSI)

-> International Union of Soil Sciences (IUSS)

-> International Union yeSpeleology (UIS)

-> International Union yeTheoretical uye Applied Mechanics (IUTAM)

-> International Union yeToxicology (IUTOX)

-> Sangano reSocial Studies yeScience (4S)

-> World Anthropological Union (WAU)