Columbia subject headings:
Occupational retraining--United States--Cost effectiveness.
Occupational training--Evaluation.
Occupational training--United States--Cost effectiveness.
Harvard subject headings:
Occupational retraining--United States--Cost effectiveness.
Occupational training--Evaluation.
Occupational training--United States--Cost effectiveness.
Princeton subject headings:
Occupational retraining--United States--Cost effectiveness.
Occupational training--Evaluation.
Occupational training--United States--Cost effectiveness.