Environment impact of sewage and effluent disposal on the river system

Eitemau Tebyg

• Environmental impact of sewage and effluent disposal on river system /
  gan: Palharya, J.P
  Cyhoeddwyd: (1993)
• Environmental impact of sewage and effluent disposal on the river system /
  gan: J. P Palharya
  Cyhoeddwyd: (1993)
• ENVIRONMENTAL IMPACT OF SEWAGE AND EFFLUENT SYSTEM
  gan: PALHARYA J P
• Environmental impact of seivage and efficient disposal on the river system
  gan: Palharya, J P
  Cyhoeddwyd: (1993)
• International encyclopaedia of nonviolence (v.4): International perspectives on nonviolence/
  Cyhoeddwyd: (2000)