Environmental impact of sewage and effluent disposal on river system /

समान संसाधन

• Disposal of sewage
  द्वारा: Veal, T H P
  प्रकाशित: (1927)
• Environmental impact of sewage and effluent disposal on the river system /
  द्वारा: J. P Palharya
  प्रकाशित: (1993)
• Environmental impact of seivage and efficient disposal on the river system
  द्वारा: Palharya, J P
  प्रकाशित: (1993)
• Environment impact of sewage and effluent disposal on the river system
  द्वारा: Malviya, Shobha, और अन्य
• Effluent treatment and waste disposal
  प्रकाशित: (1990)