Environmental impact of sewage and effluent disposal on the river system /

समान संसाधन

• Environmental impact of sewage and effluent disposal on river system /
  द्वारा: Palharya, J.P
  प्रकाशित: (1993)
• Environment impact of sewage and effluent disposal on the river system
  द्वारा: Malviya, Shobha, और अन्य
• ENVIRONMENTAL IMPACT OF SEWAGE AND EFFLUENT SYSTEM
  द्वारा: PALHARYA J P
• Environmental impact of seivage and efficient disposal on the river system
  द्वारा: Palharya, J P
  प्रकाशित: (1993)
• Disposal of sewage
  द्वारा: Veal, T H P
  प्रकाशित: (1927)