TY  - SER
AU  - Eckert, J.
TI  - The future environment for agricultural planning 1980-2000 A.D
T2  - A.I.D. research & development abstracts ; 
PY  - 1981///
CY  - Washington-US : 
PB  - United States Agency for International Development, 
N1  - Artículo dentro de: Economics; Sumarios de investigación
ER  -