Columbia subject headings:
Government travel--United States--Cost control.
Information storage and retrieval systems--Business.
United States--Armed Forces--Transportation--Cost control.
United States. Dept. of Defense--Travel--Cost control.
Harvard subject headings:
Government travel--United States--Cost control.
Information storage and retrieval systems--Business
United States--Armed Forces--Transportation--Cost control.
United States. Department of Defense--Travel--Cost control.
Princeton subject headings: