Range:
Subjects: Health centres; Palestine; Statistics; Ecology
Subjects: Health centres; Palestine; Statistics
Subjects: Health centres; Palestine; Statistics; Waste disposal
Subjects: Health centres; Palestine; Statistics; Sanitation; Waste water
Subjects: Health centres; Palestine; Statistics; Water
Subjects: Health centres; Palestine; Statistics; Consumption; Water
Subjects: Health centres; Palestine; Statistics; Environmental aspects
Subjects: Health centres; Palestine; Statistics; Dust
Subjects: Health centres; Palestine; Statistics; Noise