Columbia subject headings:
Municipal services--Bolivia--Cochabamba--Congresses.
Municipal water supply--Bolivia--Cochabamba--Congresses.
Refuse and refuse disposal--Bolivia--Cochabamba--Congresses.
Harvard subject headings:
Municipal services--Bolivia--Cochabamba--Congresses.
Municipal water supply--Bolivia--Cochabamba--Congresses.
Refuse and refuse disposal--Bolivia--Cochabamba--Congresses.
Princeton subject headings:
Municipal water supply--Bolivia--Cochabamba--Congresses.
Water quality management--Bolivia--Cochabamba--Congresses.
Water--Pollution--Bolivia--Cochabamba--Congresses.
Water-supply--Bolivia--Cochabamba--Congresses.