Columbia subject headings:
Problem solving--Congresses.
Research--Congresses.
Science--Social aspects--Congresses.
Social sciences--Research--Congresses.
Harvard subject headings:
Problem solving--Congresses
Research--Congresses
Science--Social aspects--Congresses
Social sciences--Research--Congresses
Princeton subject headings:
Problem solving--Congresses.
Research--Congresses.
Science--Social aspects--Congresses.
Social sciences--Research--Congresses.