000 00931nam a22003017a 4500
001 BR9700237
003 BR-BrBNA
005 20230928095451.0
007 ta
008 230509b bl.||||| |||| 00| 0 por d
040 _aBR-BrBNA
_bpor
_cBiblioteca Nacional de Agricultura
041 _a(Eng)
072 _aC20
090 _ C20 BR9700237
100 1 _aCurvo, P.F.
110 1 _aCase Western Reserve University, Stanford (USA)
_0Tese (Doctor of Philosophy)
_91349
245 1 _aAnalysis of the informal comunication patterns among professionals in agricultural research and extension service activities
260 3 _aStanford (USA):
_c1983.
300 _a243 p.
500 _aBibliography p. 148-153; Summary (Eng)
650 _aExtensao Rural
650 _aComunicacao
650 _aPesquisa Agricola
650 _aExtensionista
650 _aPesquisador
909 _a202309
_bLucia
_c55
_dLucia Elande
942 _cBK
999 _c56728
_d56728