Patterns of Interaction
Vickers, A F
Patterns of Interaction - Melbourne Longman cheshire 1977 - vii,120; ill
701517085
Maps
Photographs
Plantation agriculture
Sahara desert
Subsistence agriculture
Patterns of Interaction - Melbourne Longman cheshire 1977 - vii,120; ill
701517085
Maps
Photographs
Plantation agriculture
Sahara desert
Subsistence agriculture