The harsh lands : a study in agricultural development

David Grigg
Bok · Engelsk · 1970

Utgitt	London : Macmillan; [New York] St. Martin's Press , c1970
Omfang	XIV, 321 s.
Emner	Agriculture - Tropics Agriculture - Developing countries Agricultural development Arid climate Vis mer... Famine Humid tropics Monsoon climate Savannas