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23
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Organizaciones campesinas y solidaridad / Benno Galjart.
- 878.7
- Landbouwhogeschool. Afdeling sociologie van de niet-westerse gebieden,
- [ca. 1971].
- Wageningen :
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Which farmers have contact with extension workers? : the case of cocoa farmers in Western Nigeria / by Bart van den Borne and Niels Röling.
- 862.9
- Landbouwhogeschool. Afdeling voorlichtingskunde,
- 1971.
- Wageningen :
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Ancient dune fields and fluviatile deposits in the Rima-Sokoto river basin (N.W. Nigeria) : geomorphic phenomena in relation to quaternary changes in climate at the southern edge of the Sahara / W.G. Sombroek and I.S. Zonneveld.
- 862.9
- Soil survey institute,
- 1971.
- Wageningen :