Books

1. Resource directory for agricultural research in semi-arid regions (Bibliographies and guides in African studies)
   

   ---

2. Crop Productivity (Biotechnology By Open Learning)
   

   ---

3. Introduction to Agriculture
   

   ---

4. Moving the earth, for a song
   

   ---

5. Farm and Factory: The Jesuits and the Development of Agrarian Capitalism in Colonial Quito 1600-1767
   

   ---

Books