Dougnac, M.  <br/><br/>
The dimensions of seasonal production in Nothern Zambia: the use of wetlands during the dry season. 1. Farming systems research: the why and how of a new-old approach to agricultural research  (Book) 

 - Uppsala  Swedish University of Agricultural Sciences  1992 
 - 126 p.   24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farming system research Paticipatory research
<br/><br/><label>Universal Decimal Class. No.: </label>631.153.001.5 DOU  / 6766