Developments in rivber basin management : proceedings of an IAWPRC conference held in Sao Paulo, Brazil, 13-15 August, 1986 /

समान संसाधन

• River basin management-V : proceedings of an IAWPRC conference held in Rovaniemi, Finland 31 July-4 August 1989
  प्रकाशित: (1989)
• Who pays for clean water? the distribution of water pollution control costs : an urban systems research.
  द्वारा: Lake, Elizabeth E.
  प्रकाशित: (1979)
• Agriculture, hydrology and water quality. /
  प्रकाशित: (2002)
• River pollution in India. /
  द्वारा: Trivedy, R.K
  प्रकाशित: (1990)
• Environment protection and pollution control in the Ganga. /
  प्रकाशित: (1994)