Agricultural production, ecological limits and possibilities : contribution to the Sahel ecology, economy and demography study / Sonja van der Graaf and Henk Breman
http://data.bibliotheken.nl/id/nbt/p124266290 an entity of type: CreativeWork
Agricultural production, ecological limits and possibilities : contribution to the Sahel ecology, economy and demography study / Sonja van der Graaf and Henk Breman
Prepared for the Club du Sahel
en
Agricultural production, ecological limits and possibilities : contribution to the Sahel ecology, economy and demography study
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39
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xsd:gYear
1993
124266290
xsd:date
1994-10-28
xsd:date
2021-10-11