Columbia subject headings:
Civil society--Congresses.
Conflict management--Citizen participation--Congresses.
Conflict management--Congresses.
Peace--Congresses.
Peace-building--Citizen participation--Congresses.
Harvard subject headings:
Civil society--Congresses.
Conflict management--Citizen participation--Congresses.
Conflict management--Congresses
Peace--Congresses
Peace-building--Citizen participation--Congresses.
Princeton subject headings: