Aquatic Weeds : Their Menace and Control a textbook and manual

Eitemau Tebyg

• Aquatic weeds: their menace and control
  gan: Gupta, O P
  Cyhoeddwyd: (1979)
• Aquatic weeds: their menace and control: a text book and manual
  gan: Gupta, O P
  Cyhoeddwyd: (1979)
• Aquatic weeds: their menace and control/
  gan: Gupta, O. P.
  Cyhoeddwyd: (1979)
• Aquatic weeds :their menace and control
  gan: Gupta, O P
  Cyhoeddwyd: (1985)
• Aquatic weed management: A textbook and manual
  gan: Gupta, O P
  Cyhoeddwyd: (1987)