Small farm development : understanding and improving farming systems in the humid tropics /

Liknande verk

• Strategies for improving small farmer development in the Tropics /
  Publicerad: (1977)
• Farming systems in the tropics /
  av: Ruthenberg, Hans
  Publicerad: (1971)
• Innovation policy for small farmers in the tropics the economics of technical innovations for agricultural development
  av: Ruthenberg, Hans
  Publicerad: (1985)
• Institutionalization of a farming systems approach to development : proceedings of technical discussions, Rome, 15-17 October, 1991.
  Publicerad: (1992)
• Farming systems in the tropics /
  av: Ruthenberg, Hans
  Publicerad: (1980)