Aquatic weeds: their menace and control/

Eitemau Tebyg

• Aquatic weeds :their menace and control
  gan: Gupta, O P
  Cyhoeddwyd: (1985)
• Aquatic weeds: their menace and control
  gan: Gupta, O P
  Cyhoeddwyd: (1979)
• Aquatic Weeds : Their Menace and Control a textbook and manual
  gan: Gupta,o p
  Cyhoeddwyd: (1979)
• The control of aquatic weeds
  gan: Robson, T. O.
  Cyhoeddwyd: (1972)
• Control of aquatic weeds
  gan: Robson, T O
  Cyhoeddwyd: (1973)