000 00494nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aERB PAM S544.F44
100 1 0 _aFeder, Gershon
_eAuthor
245 0 _aMethodological issues in the evaluation of extension impact
_cGershon Feder
260 _aStockholm
_bWorld Bank
_c1985
300 _a19p.
_bill
_c30 cm.
650 _aAgricultural extension work
650 _aEvaluation
650 _aMethodology
942 _2lcc
_cPAM
999 _c64923
_d64923