Ruthenberg, Hans .
Innovation policy for small farmers in the tropics / by Hans Ruthenberg,edited by Hans E Jahnke. - New York : Clarendon press , 1985. - xii,176p. : ills.figs ; 26cm .
Includes index and bibliographies
0198594879 NULL
FARMS SMALL-TROPICS
338.16 / RUT/I
Innovation policy for small farmers in the tropics / by Hans Ruthenberg,edited by Hans E Jahnke. - New York : Clarendon press , 1985. - xii,176p. : ills.figs ; 26cm .
Includes index and bibliographies
0198594879 NULL
FARMS SMALL-TROPICS
338.16 / RUT/I