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close this section of the libraryAgricultural Implements, Tools and Machinery
open this document and view contentsAnimal Powered Systems (GTZ, 1986, 60 p.)
open this document and view contentsAnimal Traction in Rainfed Agriculture in Africa and South America (GTZ, 1991, 311 p.)
open this document and view contentsIntroduction of Animal Powered Cereal Mills (GTZ, 1996, 70 p.)