000 00450nam a2200169Ia 4500
008 130223s9999 xx 000 0 und d
080 _a634.999:005
100 _aPernandes, F.C.M.
245 _aConsiderations for the planning, implementation and evaluation of on-farm experi
260 _aNairobi
260 _bICRAF
260 _c1984
300 _a18 p.
440 _aNo. 35; International Council
901 _pS39197
942 _cB
_2udc
999 _c118625
_d118625