Tropical Agriculture: The Development of Productionby Gordon WrigleyWilliams · Geographical Journal1969PDF446 KB
Tropical Agriculture. The Development of Production.by Gordon WrigleyCoaker · Journal of Applied Ecology1971PDF100 KB
Tropical Agriculture, By Gordon Wrigley, London: Faber and Faber (1969), pp. 376, 85s.Kettlewell · Experimental Agriculture1970PDF73 KB
Tropical Agriculture—the Development of Production. By Gordon Wrigley. Faber & Faber, London, 1971. Pp. 376, 64 illustrations. £4.50.Doggett · Modern Asian Studies1971PDF208 KB
Tropical Agriculture. The Development of Production. By Gordon Wrigley. London and New York: Longmans (1982), fourth edition, pp. 496, £24.00.Evans · Experimental Agriculture1983PDF73 KB
The Hungry Futureby Réne Dumont; Bernard Rosier;Tropical Agriculture: The Development of Productionby Gordon Wrigley;A Geography of Africa: Regional Essays on Fundamental Characteristics, Issues and Problemsby R. Mansell ProtheroVermeer · Africa Today1969PDF537 KB
Tropical Agriculture: The Development of Production.by Gordon Wrigley;The Arid Zones.by K. Walton;Agriculture East and West.by M. B. Desai;Agricultural Cooperatives and Markets in Developing Countries.by Kurt R. Anschel; Russell H. Brannon; Eldon D. Smith;Die Welt zwischen Hunger und Uberfluss: Eine agrarpolitische Bilanz im technischen Zeitalter.by Hermann Hocherl;The Hungry Future.by Rene…Hellen · International Affairs1970PDF424 KB
