Water resources, Environmental planning, management and development

समान संसाधन

• Aquatic weeds: utility and development
  द्वारा: Majid, F Z
  प्रकाशित: (1992)
• Aquatic weeds: their menace and control: a text book and manual
  द्वारा: Gupta, O P
  प्रकाशित: (1979)
• Aquatic weeds : their manace and control : a text book and manual
  द्वारा: Gupta, O.P
  प्रकाशित: (1979)
• Aquatic weeds : their manace and control : a text book and manual
  द्वारा: Gupta, O.P
  प्रकाशित: (1979)
• The control of aquatic weeds
  द्वारा: Robson, T. O.
  प्रकाशित: (1972)