| http://www.w3.org/ns/prov#value | - The learning cycles Characterization & diagnosis of vegetable farming systems: On-Farm sustainability assessment 1997-2002 Model based exploratory study: alternative development strategies 2002-2003 Discussion of results with stakeholders: motivation and funding for a participatory research project 2003-2004 Model based exploratory study: potential for improvement within <> farm types and scenario
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