TY  - BOOK
AU  - Carter,Cathy Cameron
TI  - Writing agricultural information bulletins: reaching developing-country farmers 
SN  - 0-931901-06-5
AV  - S21 .A74 C37
PY  - 1987///
CY  - Raleigh, N. C.
PB  - North Carolina State University
N1  - Incluye bibliografia
ER  -