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2
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A study of the smallholder farming system in West Mulanje, Malawi / by Ajit Chandele...[et al.].
- International course for development oriented research in agriculture,
- 1987.
- Wageningen :
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Maize/livestock farming system in the north of Comala municipality, Colima, Mexico / by Paul Allertz...[et al.].
- International course for development oriented research in agriculture,
- 1988.
- Wageningen :