TY  - BOOK
AU  - Gijsbers, Govert.
TI  - Methods and procedures for the development of INFORM
T2  - INFORM. Guidelines
U1  - 021.65 
PY  - 1991///
CY  - The Hague
PB  - ISNAR
KW  - Agricultura
KW  - Sistemas de información
N1  - 60-233
ER  -