TY  - BOOK
AU  - EcheverrÃ­a, RubÃ©n G.
TI  - Methods for diagnosing research system constraints and assessing the impact of agricultural research: : proceedings
U1  - 630.72 
PY  - 1990///
CY  - The Hague, Netherlands
PB  - ISNAR
KW  - Agricultura
KW  - InvestigaciÃ³n
KW  - PolÃ­tica agrÃ­cola
N1  - D48-206; La biblioteca tiene: v.1 Diagnosing -- v.2 Assessing the impact of agricultural research
ER  -