Environmental education and management /

समान संसाधन

• Environmental education and management
  द्वारा: Chiranjeev, Avinash, और अन्य
  प्रकाशित: (2008)
• River pollution in india and its management
  द्वारा: Gopal, Krishnan
  प्रकाशित: (2003)
• Environmental pollution and management /
  द्वारा: Mohan,, I.
  प्रकाशित: (1989)
• Environmental impact of sewage and effluent disposal on river system /
  द्वारा: Palharya, J.P
  प्रकाशित: (1993)
• Environmental management
  द्वारा: Pandey, G.N
  प्रकाशित: (2005)