Agriculture Sector Symposium,, 6, Development of rainfed agriculture ander arid and semiarid conditions / Agriculture Sector Symposium ; ed. Ted J. Davis

Development of rainfed agriculture ander arid and semiarid conditions / Agriculture Sector Symposium ; ed. Ted J. Davis . - Washington : The World Bank, cop. 1986 . - VIII, 412 p., [1] mapa dobr. : il. 28 cm
0-8213-0817-3 Brochado

631.4