Encyclopaedia of environmental pollution: environmental water pollution Vol 3(Reference)

Eitemau Tebyg

• Encyclopaedia of environmental pollution: environmental noise pollution Vol 1(Reference)
  gan: Shukla, S K
• Encyclopaedia of environmental pollution: environmental air pollution Vol 2(Reference)
  gan: Shukla, S K
• Encyclopaedia of environmental pollution: industrial pollution and environmental issues Vol 5(Reference)
  gan: Shukla, S K
• Encyclopaedia of environmental pollution: pollution, drugs environment and human health Vol 4(Reference)
  gan: Shukla, S K
• Environmental pollution
  gan: Katyal, Timmy
  Cyhoeddwyd: (1989)