TY  - GEN
AU  - Echeverria , Ruben
TI  - Methods for diagnosing research system constraints and assessing the impact of agricultural research : diagnosing agricultural research system constraints
U1  - 630.7 
PY  - 1990///
CY  - The Hague
PB  - International servise 
KW  - AGRICULTURAL RESEARCH
KW  - AGRICULTURE
ER  -