Yazar
Philip Wayland Porter
9 cilt bulundu.
Philip Wayland Porter · University of Chicago Press
318 sayfa · 2006
Agriculture / Environmental aspects / Environmental aspects of Agriculture / Food supply / Rural development
Philip Wayland Porter · Guilford Press
602 sayfa · 1998
Geography / Ontwikkelingsproblematiek / North and south / Economic development / Internationalisierung
Philip Wayland Porter · Dept. of Geography, University of Minnesota
66 sayfa · 1964
Cartography / Bibliography
Philip Wayland Porter · Bureau of Resource Assessment and Land Use Planning, University of Dar es Salaam
17 sayfa · 1973
Maps / Phytogeography / Vegetation mapping
Philip Wayland Porter · Bureau of Resource Assessment and Land Use Planning, University of Dar es Salaam
59 sayfa · 1974
Corn / Photosynthesis
Philip Wayland Porter · Maxwell School of Citizenship and Public Affairs, Syracuse University
107 sayfa · 1979
Arid regions agriculture / Food supply / Diet / Nutrition policy / African law
Philip Wayland Porter · Institute for Environmental Studies, University of Toronto
59 sayfa · 1978
Effect of environment on / Human beings / Agriculture