Aquatic Weeds : Their Menace and Control a textbook and manual

Liknande verk

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