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1
Organic agriculture : African experiences in resilience and sustainability /
Published 2013An electronic book accessible through the World Wide Web; click to view
Electronic Conference Proceeding eBook -
2
Toward sustainability a plan for collaborative research on agriculture and natural resource management /
Published 1991An electronic book accessible through the World Wide Web; click to view
Electronic Conference Proceeding eBook -
3
Sustainable management of soil organic matter
Published 2001An electronic book accessible through the World Wide Web; click to view
Electronic eBook