TY  - BOOK
AU  - Curvo Filho,Plácido Flaviano
ED  - Centro Nacional de Informacao Documental Agricola, Brasilia, DF (Brasil)
TI  - Analysis of the informal communication patterns among professionals in agricultural research and extension service activities (submitted in partial fulfillment of the requirements for the decree of doctor of philosophy): DOC/TEC/024/84
PY  - 1984///.
CY  - Brasilia, DF (Brasil): 
KW  - PESQUISA AGRICOLA
KW  - EXTENSAO RURAL
ER  -