Columbia subject headings:
Harvard subject headings:
Engineering--Study and teaching--United States
Mathematics--Study and teaching--United States
Science--Study and teaching--United States
Technical education--United States.
Third International Mathematics and Science Study.
Princeton subject headings:
Engineering--Study and teaching--United States.
Mathematics--Study and teaching--United States.
Science--Study and teaching--United States.
Technical education--United States.
Third International Mathematics and Science Study.