Transportation Research Thesaurus (TRT)
Toggle navigation
Home
Advanced search
About...
My account
Middle income groups
Home
Persons and personal characteristics
Persons by socioeconomic levels
Middle income groups
Term
Metadata
Middle income groups
Broader Terms
BT
↑
Persons by socioeconomic levels
Date of creation
18-Mar-2009
Accepted term
18-Mar-2009
Descendant terms
0
ARK
ark:/99152/t3p4kg2rydw13o
More specific terms
0
Alternative terms
0
Related terms
0
Notes
0
Metadata
BS8723-5
DC
MADS
SKOS-Core
VDEX
XTM
Zthes
JSON
JSON-LD
Search