Tropicultura
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Defoer T.
1996
Kamara A.
,
Defoer T.
,
De Groote H.
—
Selection of New Varieties through Participatory Research, the Case of Corn in South Mali
,
p. 100-105
.
vol. 14 no 3
-
PDF text
1993
Defoer T.
,
Hussain SS.
,
van Nieuwkoop M.
,
Erenstein O.
—
Onions in the farming systems of the Swat Valley, Northern Pakistan : Implications for research and extension
,
p. 54-60
.
vol. 11 no 2
-
PDF text