R. G. Echeverría

Integrated ex ante and ex post impact assessment in the generation of agricultural technology: cassava in the Atlantic Coast of Colombia.

W. G. Janssen, J. K. Lynam, R. G. Echeverría, 1990 .

Analyzing agricultural technology systems: some methodological tools.

R. G. Echeverría, B. E. Swanson, C. M. Sands, 1990 .

Diagnosing research system constraints.

H. Elliott, R. G. Echeverría, 1990 .

Applying ATMS approaches in widely different systems: lessons from ISNAR's experience.

H. Elliott, R. G. Echeverría, 1990 .

Public-private interactions and technology policy in innovation processes for zero tillage in Argentina.

Javier M. Ekboir, R. G. Echeverría, J. Ekboir, 2002 .