000 00581nam a2200133Ia 4500
008 020711t1992 000 0 eng d
080 _a631.153.001.5 DOU
_b6766
100 _aDougnac, M.
245 4 _aThe 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
_h(Book)
260 _aUppsala
_bSwedish University of Agricultural Sciences
_c1992
300 _a126 p.
_c 24 cm.
650 _aFarming system research Paticipatory research
999 _c9706
_d9706
035 _a6766