000 00464nam a2200157Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aERB PAM S544.B435
100 1 _aBenor, Daniel
_eAuthor
245 1 0 _aAgricultural extension:
_bthe training and visit system
260 _aWashington:
_bWorld Bank,
_c1977
300 _a55p.:
_bill.;
_c23cm.
650 1 _aAgriculture extension work
650 1 _aDeveloping countries
942 _2lcc
_cPAM
_n0
999 _c53826
_d53826